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gci-04801 | archaeology | Archaeology | C | medium | What causes the excavation trench wall to gradually crumble upon exposure to air after repeated exposure to exposure to air? | Repeated exposure to exposure to air keeps driving erosion acceleration, and the buildup eventually makes the excavation trench wall crumble upon exposure to air. | Many beginners lump excavation brush together with fossil bed, even though the two behave completely differently. Eventually the accumulated change makes the excavation trench wall crumble upon exposure to air. field assistant Tom Reilly once wrote a well-known guide about dig permit back in the 2000s. Roughly 72% of p... | [{"id": 0, "type": "unrelated", "role": "distractor", "text": "Many beginners lump excavation brush together with fossil bed, even though the two behave completely differently.", "charStart": 0, "charEnd": 113}, {"id": 1, "type": "related", "role": "consequence", "text": "Eventually the accumulated change makes the exc... | [1, 4, 5] | [0, 2, 3] | [[4, 5], [5, 1]] | {"subject": "excavation trench wall", "driver": "exposure to air", "mechanism": "erosion acceleration", "outcome": "crumble upon exposure to air", "threshold": 60, "unit": "meters"} |
gci-04802 | archaeology | Archaeology | D | medium | Why does a sudden spike in exposure to air make the ancient pottery shard reveal a hidden layer beneath so quickly? | A spike in exposure to air immediately sets off erosion acceleration, which is fast enough to make the ancient pottery shard reveal a hidden layer beneath almost instantly. | Tree rings can help archaeologists date old wooden structures. Roughly 43% of practitioners say they prefer field journal over fossil bed just for everyday convenience. The visible result is that the ancient pottery shard will reveal a hidden layer beneath within moments. When exposure to air suddenly spikes, the ancie... | [{"id": 0, "type": "unrelated", "role": "distractor", "text": "Tree rings can help archaeologists date old wooden structures.", "charStart": 0, "charEnd": 62}, {"id": 1, "type": "unrelated", "role": "distractor", "text": "Roughly 43% of practitioners say they prefer field journal over fossil bed just for everyday conve... | [2, 3, 5] | [0, 1, 4] | [[3, 5], [5, 2]] | {"subject": "ancient pottery shard", "driver": "exposure to air", "mechanism": "erosion acceleration", "outcome": "reveal a hidden layer beneath", "threshold": 22, "unit": "years"} |
gci-04803 | archaeology | Archaeology | E | medium | Under what condition does the burial mound layer crumble upon exposure to air, and why does that threshold matter? | The burial mound layer stays stable until exposure to air exceeds 78cm, at which point sediment compaction takes over and causes it to crumble upon exposure to air. | Radiocarbon dating can determine the age of organic material. If exposure to air stays below 78cm, the burial mound layer remains stable. But once that threshold is crossed, sediment compaction starts to dominate the burial mound layer. Site tent is usually kept near a dig near Xi'an, though that has nothing to do with... | [{"id": 0, "type": "unrelated", "role": "distractor", "text": "Radiocarbon dating can determine the age of organic material.", "charStart": 0, "charEnd": 61}, {"id": 1, "type": "related", "role": "premise", "text": "If exposure to air stays below 78cm, the burial mound layer remains stable.", "charStart": 62, "charEnd"... | [1, 2, 4] | [0, 3, 5] | [[1, 2], [2, 4]] | {"subject": "burial mound layer", "driver": "exposure to air", "mechanism": "sediment compaction", "outcome": "crumble upon exposure to air", "threshold": 78, "unit": "cm"} |
gci-04804 | archaeology | Archaeology | F | medium | Explain the feedback loop that causes the burial mound layer to rapidly reveal a hidden layer beneath. | Oxidation buildup in the burial mound layer raises groundwater level, and the higher groundwater level accelerates oxidation buildup again, forming a loop that quickly leads it to reveal a hidden layer beneath. | Tree rings can help archaeologists date old wooden structures. This feedback loop is the reason the burial mound layer rapidly reveal a hidden layer beneath. Artifact crate is usually kept near a field site in Peru, though that has nothing to do with how the subject of the story actually behaves. As oxidation buildup o... | [{"id": 0, "type": "unrelated", "role": "distractor", "text": "Tree rings can help archaeologists date old wooden structures.", "charStart": 0, "charEnd": 62}, {"id": 1, "type": "related", "role": "consequence", "text": "This feedback loop is the reason the burial mound layer rapidly reveal a hidden layer beneath.", "c... | [1, 3, 5] | [0, 2, 4] | [[3, 5], [5, 1]] | {"subject": "burial mound layer", "driver": "groundwater level", "mechanism": "oxidation buildup", "outcome": "reveal a hidden layer beneath", "threshold": 23, "unit": "cm"} |
gci-04805 | archaeology | Archaeology | A | easy | Why does the stone tool edge preserve remarkably well once the temperature fluctuation passes 64meters? | Crossing 64meters of temperature fluctuation triggers organic decay, which causes the stone tool edge to preserve remarkably well. | The stone tool edge starts to change once the temperature fluctuation passes 64meters. An excavation in Pompeii hosts an annual event celebrating artifact crate every season. Site tent is usually kept near a field site in Peru, though that has nothing to do with how the subject of the story actually behaves. Because of... | [{"id": 0, "type": "related", "role": "premise", "text": "The stone tool edge starts to change once the temperature fluctuation passes 64meters.", "charStart": 0, "charEnd": 86}, {"id": 1, "type": "unrelated", "role": "distractor", "text": "An excavation in Pompeii hosts an annual event celebrating artifact crate every... | [0, 3] | [1, 2] | [[0, 3]] | {"subject": "stone tool edge", "driver": "temperature fluctuation", "mechanism": "organic decay", "outcome": "preserve remarkably well", "threshold": 64, "unit": "meters"} |
gci-04806 | archaeology | Archaeology | B | easy | How did the difference in soil acidity cause one sample of burial mound layer to end up preserve remarkably well sooner? | The higher soil acidity sped up oxidation buildup, so that sample reached the point of preserve remarkably well sooner. | A dig near Xi'an hosts an annual event celebrating field journal every year. That sample ended up preserve remarkably well well before the other one did. Two samples of burial mound layer were compared, one with a much higher soil acidity than the other. Site tent is usually kept near a dig site in Luxor, though that h... | [{"id": 0, "type": "unrelated", "role": "distractor", "text": "A dig near Xi'an hosts an annual event celebrating field journal every year.", "charStart": 0, "charEnd": 76}, {"id": 1, "type": "related", "role": "consequence", "text": "That sample ended up preserve remarkably well well before the other one did.", "charS... | [1, 2] | [0, 3] | [[2, 1]] | {"subject": "burial mound layer", "driver": "soil acidity", "mechanism": "oxidation buildup", "outcome": "preserve remarkably well", "threshold": 88, "unit": "cm"} |
gci-04807 | archaeology | Archaeology | C | easy | What causes the ruined temple wall to gradually preserve remarkably well after repeated exposure to temperature fluctuation? | Repeated exposure to temperature fluctuation keeps driving erosion acceleration, and the buildup eventually makes the ruined temple wall preserve remarkably well. | A field site in Peru hosts an annual event celebrating field journal every season. Radiocarbon dating can determine the age of organic material. Over time, repeated exposure to temperature fluctuation slowly affects the ruined temple wall. Eventually the accumulated change makes the ruined temple wall preserve remarkab... | [{"id": 0, "type": "unrelated", "role": "distractor", "text": "A field site in Peru hosts an annual event celebrating field journal every season.", "charStart": 0, "charEnd": 82}, {"id": 1, "type": "unrelated", "role": "distractor", "text": "Radiocarbon dating can determine the age of organic material.", "charStart": 8... | [2, 3] | [0, 1] | [[2, 3]] | {"subject": "ruined temple wall", "driver": "temperature fluctuation", "mechanism": "erosion acceleration", "outcome": "preserve remarkably well", "threshold": 80, "unit": "meters"} |
gci-04808 | archaeology | Archaeology | D | medium | Why does a sudden spike in groundwater level make the burial mound layer lose its original color so quickly? | A spike in groundwater level immediately sets off structural weakening, which is fast enough to make the burial mound layer lose its original color almost instantly. | Many beginners lump artifact crate together with excavation trench wall, even though the two behave completely differently. The visible result is that the burial mound layer will lose its original color within moments. The rapid change sets off structural weakening, which spreads quickly through the burial mound layer.... | [{"id": 0, "type": "unrelated", "role": "distractor", "text": "Many beginners lump artifact crate together with excavation trench wall, even though the two behave completely differently.", "charStart": 0, "charEnd": 123}, {"id": 1, "type": "related", "role": "consequence", "text": "The visible result is that the burial... | [1, 2, 4] | [0, 3, 5] | [[4, 2], [2, 1]] | {"subject": "burial mound layer", "driver": "groundwater level", "mechanism": "structural weakening", "outcome": "lose its original color", "threshold": 52, "unit": "cm"} |
gci-04809 | archaeology | Archaeology | E | medium | Under what condition does the ancient pottery shard preserve remarkably well, and why does that threshold matter? | The ancient pottery shard stays stable until soil acidity exceeds 71meters, at which point organic decay takes over and causes it to preserve remarkably well. | But once that threshold is crossed, organic decay starts to dominate the ancient pottery shard. Many beginners lump survey stake together with burial mound layer, even though the two behave completely differently. An excavation in Petra hosts an annual event celebrating excavation brush every year. This is why the anci... | [{"id": 0, "type": "related", "role": "mechanism", "text": "But once that threshold is crossed, organic decay starts to dominate the ancient pottery shard.", "charStart": 0, "charEnd": 95}, {"id": 1, "type": "unrelated", "role": "distractor", "text": "Many beginners lump survey stake together with burial mound layer, e... | [0, 3, 4] | [1, 2, 5] | [[4, 0], [0, 3]] | {"subject": "ancient pottery shard", "driver": "soil acidity", "mechanism": "organic decay", "outcome": "preserve remarkably well", "threshold": 71, "unit": "meters"} |
gci-04810 | archaeology | Archaeology | F | medium | Explain the feedback loop that causes the fossil bed to rapidly crumble upon exposure to air. | Sediment compaction in the fossil bed raises soil acidity, and the higher soil acidity accelerates sediment compaction again, forming a loop that quickly leads it to crumble upon exposure to air. | Many beginners lump dig permit together with ruined temple wall, even though the two behave completely differently. conservator Priya Anand once wrote a well-known guide about excavation brush back in the 1970s. As sediment compaction occurs in the fossil bed, it slightly shifts the nearby soil acidity. Site tent is us... | [{"id": 0, "type": "unrelated", "role": "distractor", "text": "Many beginners lump dig permit together with ruined temple wall, even though the two behave completely differently.", "charStart": 0, "charEnd": 115}, {"id": 1, "type": "unrelated", "role": "distractor", "text": "conservator Priya Anand once wrote a well-kn... | [2, 4, 5] | [0, 1, 3] | [[2, 5], [5, 4]] | {"subject": "fossil bed", "driver": "soil acidity", "mechanism": "sediment compaction", "outcome": "crumble upon exposure to air", "threshold": 64, "unit": "%"} |
gci-04811 | archaeology | Archaeology | A | easy | Why does the excavation trench wall collapse without support once the groundwater level passes 39cm? | Crossing 39cm of groundwater level triggers structural weakening, which causes the excavation trench wall to collapse without support. | historian Dr. Owen Faust once wrote a well-known guide about artifact crate back in the 1970s. Because of this, the excavation trench wall will collapse without support. The excavation trench wall starts to change once the groundwater level passes 39cm. A field site in Peru hosts an annual event celebrating field journ... | [{"id": 0, "type": "unrelated", "role": "distractor", "text": "historian Dr. Owen Faust once wrote a well-known guide about artifact crate back in the 1970s.", "charStart": 0, "charEnd": 94}, {"id": 1, "type": "related", "role": "consequence", "text": "Because of this, the excavation trench wall will collapse without s... | [1, 2] | [0, 3] | [[2, 1]] | {"subject": "excavation trench wall", "driver": "groundwater level", "mechanism": "structural weakening", "outcome": "collapse without support", "threshold": 39, "unit": "cm"} |
gci-04812 | archaeology | Archaeology | B | easy | How did the difference in sediment pressure cause one sample of stone tool edge to end up require immediate stabilization sooner? | The higher sediment pressure sped up oxidation buildup, so that sample reached the point of require immediate stabilization sooner. | Many beginners lump field journal together with burial mound layer, even though the two behave completely differently. Artifact crate is usually kept near a dig site in Luxor, though that has nothing to do with how the subject of the story actually behaves. That sample ended up require immediate stabilization well befo... | [{"id": 0, "type": "unrelated", "role": "distractor", "text": "Many beginners lump field journal together with burial mound layer, even though the two behave completely differently.", "charStart": 0, "charEnd": 118}, {"id": 1, "type": "unrelated", "role": "distractor", "text": "Artifact crate is usually kept near a dig... | [2, 3] | [0, 1] | [[3, 2]] | {"subject": "stone tool edge", "driver": "sediment pressure", "mechanism": "oxidation buildup", "outcome": "require immediate stabilization", "threshold": 49, "unit": "cm"} |
gci-04813 | archaeology | Archaeology | C | easy | What causes the excavation trench wall to gradually crumble upon exposure to air after repeated exposure to sediment pressure? | Repeated exposure to sediment pressure keeps driving structural weakening, and the buildup eventually makes the excavation trench wall crumble upon exposure to air. | conservator Priya Anand once wrote a well-known guide about artifact crate back in the 2000s. Many artifacts are first found by accident during construction work. Over time, repeated exposure to sediment pressure slowly affects the excavation trench wall. Eventually the accumulated change makes the excavation trench wa... | [{"id": 0, "type": "unrelated", "role": "distractor", "text": "conservator Priya Anand once wrote a well-known guide about artifact crate back in the 2000s.", "charStart": 0, "charEnd": 93}, {"id": 1, "type": "unrelated", "role": "distractor", "text": "Many artifacts are first found by accident during construction work... | [2, 3] | [0, 1] | [[2, 3]] | {"subject": "excavation trench wall", "driver": "sediment pressure", "mechanism": "structural weakening", "outcome": "crumble upon exposure to air", "threshold": 87, "unit": "cm"} |
gci-04814 | archaeology | Archaeology | D | medium | Why does a sudden spike in excavation depth make the stone tool edge collapse without support so quickly? | A spike in excavation depth immediately sets off oxidation buildup, which is fast enough to make the stone tool edge collapse without support almost instantly. | The rapid change sets off oxidation buildup, which spreads quickly through the stone tool edge. Roughly 10% of practitioners say they prefer artifact crate over ancient pottery shard just for everyday convenience. Ancient Egyptians used natron salt in the mummification process. Dig permit is usually kept near an excava... | [{"id": 0, "type": "related", "role": "mechanism", "text": "The rapid change sets off oxidation buildup, which spreads quickly through the stone tool edge.", "charStart": 0, "charEnd": 95}, {"id": 1, "type": "unrelated", "role": "distractor", "text": "Roughly 10% of practitioners say they prefer artifact crate over anc... | [0, 4, 5] | [1, 2, 3] | [[5, 0], [0, 4]] | {"subject": "stone tool edge", "driver": "excavation depth", "mechanism": "oxidation buildup", "outcome": "collapse without support", "threshold": 26, "unit": "%"} |
gci-04815 | archaeology | Archaeology | E | hard | Under what condition does the ruined temple wall collapse without support, and why does that threshold matter? | The ruined temple wall stays stable until temperature fluctuation exceeds 20%, at which point sediment compaction takes over and causes it to collapse without support. | Site tent is usually kept near a dig near Xi'an, though that has nothing to do with how the subject of the story actually behaves. But once that threshold is crossed, sediment compaction starts to dominate the ruined temple wall. If temperature fluctuation stays below 20%, the ruined temple wall remains stable. Roughly... | [{"id": 0, "type": "unrelated", "role": "distractor", "text": "Site tent is usually kept near a dig near Xi'an, though that has nothing to do with how the subject of the story actually behaves.", "charStart": 0, "charEnd": 130}, {"id": 1, "type": "related", "role": "mechanism", "text": "But once that threshold is cross... | [1, 2, 4, 6] | [0, 3, 5, 7] | [[2, 1], [1, 6], [6, 4]] | {"subject": "ruined temple wall", "driver": "temperature fluctuation", "mechanism": "sediment compaction", "outcome": "collapse without support", "threshold": 20, "unit": "%"} |
gci-04816 | archaeology | Archaeology | F | medium | Explain the feedback loop that causes the ancient pottery shard to rapidly crumble upon exposure to air. | Structural weakening in the ancient pottery shard raises temperature fluctuation, and the higher temperature fluctuation accelerates structural weakening again, forming a loop that quickly leads it to crumble upon exposure to air. | That shift in temperature fluctuation then speeds up structural weakening even further. This feedback loop is the reason the ancient pottery shard rapidly crumble upon exposure to air. As structural weakening occurs in the ancient pottery shard, it slightly shifts the nearby temperature fluctuation. researcher Dr. Naom... | [{"id": 0, "type": "related", "role": "mechanism", "text": "That shift in temperature fluctuation then speeds up structural weakening even further.", "charStart": 0, "charEnd": 87}, {"id": 1, "type": "related", "role": "consequence", "text": "This feedback loop is the reason the ancient pottery shard rapidly crumble up... | [0, 1, 2] | [3, 4, 5] | [[2, 0], [0, 1]] | {"subject": "ancient pottery shard", "driver": "temperature fluctuation", "mechanism": "structural weakening", "outcome": "crumble upon exposure to air", "threshold": 82, "unit": "meters"} |
gci-04817 | archaeology | Archaeology | A | medium | Why does the burial mound layer lose its original color once the excavation depth passes 40cm? | Crossing 40cm of excavation depth triggers sediment compaction, which causes the burial mound layer to lose its original color. | Roughly 20% of practitioners say they prefer excavation brush over excavation trench wall just for everyday convenience. A research site in Crete hosts an annual event celebrating excavation brush every season. Because of this, the burial mound layer will lose its original color. That shift triggers sediment compaction... | [{"id": 0, "type": "unrelated", "role": "distractor", "text": "Roughly 20% of practitioners say they prefer excavation brush over excavation trench wall just for everyday convenience.", "charStart": 0, "charEnd": 120}, {"id": 1, "type": "unrelated", "role": "distractor", "text": "A research site in Crete hosts an annua... | [2, 3, 4] | [0, 1, 5] | [[4, 3], [3, 2]] | {"subject": "burial mound layer", "driver": "excavation depth", "mechanism": "sediment compaction", "outcome": "lose its original color", "threshold": 40, "unit": "cm"} |
gci-04818 | archaeology | Archaeology | B | easy | How did the difference in excavation depth cause one sample of ancient pottery shard to end up preserve remarkably well sooner? | The higher excavation depth sped up erosion acceleration, so that sample reached the point of preserve remarkably well sooner. | Many beginners lump dig permit together with fossil bed, even though the two behave completely differently. archaeologist Dr. Diego Alvarez once wrote a well-known guide about survey stake back in the 1990s. That sample ended up preserve remarkably well well before the other one did. Two samples of ancient pottery shar... | [{"id": 0, "type": "unrelated", "role": "distractor", "text": "Many beginners lump dig permit together with fossil bed, even though the two behave completely differently.", "charStart": 0, "charEnd": 107}, {"id": 1, "type": "unrelated", "role": "distractor", "text": "archaeologist Dr. Diego Alvarez once wrote a well-kn... | [2, 3] | [0, 1] | [[3, 2]] | {"subject": "ancient pottery shard", "driver": "excavation depth", "mechanism": "erosion acceleration", "outcome": "preserve remarkably well", "threshold": 86, "unit": "years"} |
gci-04819 | archaeology | Archaeology | C | easy | What causes the excavation trench wall to gradually lose its original color after repeated exposure to exposure to air? | Repeated exposure to exposure to air keeps driving organic decay, and the buildup eventually makes the excavation trench wall lose its original color. | A dig near Xi'an hosts an annual event celebrating survey stake every summer. Eventually the accumulated change makes the excavation trench wall lose its original color. Over time, repeated exposure to exposure to air slowly affects the excavation trench wall. Many beginners lump site tent together with burial mound la... | [{"id": 0, "type": "unrelated", "role": "distractor", "text": "A dig near Xi'an hosts an annual event celebrating survey stake every summer.", "charStart": 0, "charEnd": 77}, {"id": 1, "type": "related", "role": "consequence", "text": "Eventually the accumulated change makes the excavation trench wall lose its original... | [1, 2] | [0, 3] | [[2, 1]] | {"subject": "excavation trench wall", "driver": "exposure to air", "mechanism": "organic decay", "outcome": "lose its original color", "threshold": 72, "unit": "years"} |
gci-04820 | archaeology | Archaeology | D | medium | Why does a sudden spike in sediment pressure make the excavation trench wall require immediate stabilization so quickly? | A spike in sediment pressure immediately sets off organic decay, which is fast enough to make the excavation trench wall require immediate stabilization almost instantly. | Roughly 63% of practitioners say they prefer excavation brush over fossil bed just for everyday convenience. Site tent is usually kept near an excavation in Petra, though that has nothing to do with how the subject of the story actually behaves. The rapid change sets off organic decay, which spreads quickly through the... | [{"id": 0, "type": "unrelated", "role": "distractor", "text": "Roughly 63% of practitioners say they prefer excavation brush over fossil bed just for everyday convenience.", "charStart": 0, "charEnd": 108}, {"id": 1, "type": "unrelated", "role": "distractor", "text": "Site tent is usually kept near an excavation in Pet... | [2, 4, 5] | [0, 1, 3] | [[5, 2], [2, 4]] | {"subject": "excavation trench wall", "driver": "sediment pressure", "mechanism": "organic decay", "outcome": "require immediate stabilization", "threshold": 22, "unit": "years"} |
gci-04821 | archaeology | Archaeology | E | medium | Under what condition does the stone tool edge preserve remarkably well, and why does that threshold matter? | The stone tool edge stays stable until exposure to air exceeds 21cm, at which point organic decay takes over and causes it to preserve remarkably well. | Some archaeological sites are only accessible for a few months a year. If exposure to air stays below 21cm, the stone tool edge remains stable. But once that threshold is crossed, organic decay starts to dominate the stone tool edge. Many beginners lump artifact crate together with fossil bed, even though the two behav... | [{"id": 0, "type": "unrelated", "role": "distractor", "text": "Some archaeological sites are only accessible for a few months a year.", "charStart": 0, "charEnd": 70}, {"id": 1, "type": "related", "role": "premise", "text": "If exposure to air stays below 21cm, the stone tool edge remains stable.", "charStart": 71, "ch... | [1, 2, 4] | [0, 3, 5] | [[1, 2], [2, 4]] | {"subject": "stone tool edge", "driver": "exposure to air", "mechanism": "organic decay", "outcome": "preserve remarkably well", "threshold": 21, "unit": "cm"} |
gci-04822 | archaeology | Archaeology | F | medium | Describe the feedback loop through which the fossil bed accelerates toward crumble upon exposure to air. | Mineral leaching in the fossil bed raises sediment pressure, and the higher sediment pressure accelerates mineral leaching again, forming a loop that quickly leads it to crumble upon exposure to air. | An excavation in Petra hosts an annual event celebrating excavation brush every month. As mineral leaching occurs in the fossil bed, it slightly shifts the nearby sediment pressure. That shift in sediment pressure then speeds up mineral leaching even further. Roughly 16% of practitioners say they prefer excavation brus... | [{"id": 0, "type": "unrelated", "role": "distractor", "text": "An excavation in Petra hosts an annual event celebrating excavation brush every month.", "charStart": 0, "charEnd": 86}, {"id": 1, "type": "related", "role": "premise", "text": "As mineral leaching occurs in the fossil bed, it slightly shifts the nearby sed... | [1, 2, 5] | [0, 3, 4] | [[1, 2], [2, 5]] | {"subject": "fossil bed", "driver": "sediment pressure", "mechanism": "mineral leaching", "outcome": "crumble upon exposure to air", "threshold": 44, "unit": "cm"} |
gci-04823 | archaeology | Archaeology | A | hard | Why does the fossil bed crumble upon exposure to air once the sediment pressure passes 22%? | Crossing 22% of sediment pressure triggers oxidation buildup, which causes the fossil bed to crumble upon exposure to air. | Many artifacts are first found by accident during construction work. That shift triggers oxidation buildup inside the fossil bed, breaking down its usual structure. Anyone monitoring the sediment pressure closely can predict almost exactly when the fossil bed will crumble upon exposure to air. Many beginners lump field... | [{"id": 0, "type": "unrelated", "role": "distractor", "text": "Many artifacts are first found by accident during construction work.", "charStart": 0, "charEnd": 68}, {"id": 1, "type": "related", "role": "mechanism", "text": "That shift triggers oxidation buildup inside the fossil bed, breaking down its usual structure.... | [1, 2, 6, 7] | [0, 3, 4, 5] | [[7, 1], [1, 6], [6, 2]] | {"subject": "fossil bed", "driver": "sediment pressure", "mechanism": "oxidation buildup", "outcome": "crumble upon exposure to air", "threshold": 22, "unit": "%"} |
gci-04824 | archaeology | Archaeology | B | medium | How did the difference in groundwater level cause one sample of excavation trench wall to end up require immediate stabilization sooner? | The higher groundwater level sped up mineral leaching, so that sample reached the point of require immediate stabilization sooner. | Some ancient cities remained buried and undiscovered for over a thousand years. Field journal is usually kept near an excavation in Pompeii, though that has nothing to do with how the subject of the story actually behaves. Two samples of excavation trench wall were compared, one with a much higher groundwater level tha... | [{"id": 0, "type": "unrelated", "role": "distractor", "text": "Some ancient cities remained buried and undiscovered for over a thousand years.", "charStart": 0, "charEnd": 79}, {"id": 1, "type": "unrelated", "role": "distractor", "text": "Field journal is usually kept near an excavation in Pompeii, though that has noth... | [2, 3, 5] | [0, 1, 4] | [[2, 3], [3, 5]] | {"subject": "excavation trench wall", "driver": "groundwater level", "mechanism": "mineral leaching", "outcome": "require immediate stabilization", "threshold": 39, "unit": "%"} |
gci-04825 | archaeology | Archaeology | C | medium | What causes the stone tool edge to gradually collapse without support after repeated exposure to temperature fluctuation? | Repeated exposure to temperature fluctuation keeps driving sediment compaction, and the buildup eventually makes the stone tool edge collapse without support. | Eventually the accumulated change makes the stone tool edge collapse without support. Site tent is usually kept near a dig near Xi'an, though that has nothing to do with how the subject of the story actually behaves. Over time, repeated exposure to temperature fluctuation slowly affects the stone tool edge. Each cycle ... | [{"id": 0, "type": "related", "role": "consequence", "text": "Eventually the accumulated change makes the stone tool edge collapse without support.", "charStart": 0, "charEnd": 85}, {"id": 1, "type": "unrelated", "role": "distractor", "text": "Site tent is usually kept near a dig near Xi'an, though that has nothing to ... | [0, 2, 3] | [1, 4, 5] | [[2, 3], [3, 0]] | {"subject": "stone tool edge", "driver": "temperature fluctuation", "mechanism": "sediment compaction", "outcome": "collapse without support", "threshold": 63, "unit": "meters"} |
gci-04826 | archaeology | Archaeology | D | easy | Why does a sudden spike in excavation depth make the fossil bed lose its original color so quickly? | A spike in excavation depth immediately sets off mineral leaching, which is fast enough to make the fossil bed lose its original color almost instantly. | Some archaeological sites are only accessible for a few months a year. When excavation depth suddenly spikes, the fossil bed reacts almost immediately. Many beginners lump survey stake together with excavation trench wall, even though the two behave completely differently. The visible result is that the fossil bed will... | [{"id": 0, "type": "unrelated", "role": "distractor", "text": "Some archaeological sites are only accessible for a few months a year.", "charStart": 0, "charEnd": 70}, {"id": 1, "type": "related", "role": "premise", "text": "When excavation depth suddenly spikes, the fossil bed reacts almost immediately.", "charStart":... | [1, 3] | [0, 2] | [[1, 3]] | {"subject": "fossil bed", "driver": "excavation depth", "mechanism": "mineral leaching", "outcome": "lose its original color", "threshold": 72, "unit": "cm"} |
gci-04827 | archaeology | Archaeology | E | hard | Under what condition does the excavation trench wall require immediate stabilization, and why does that threshold matter? | The excavation trench wall stays stable until exposure to air exceeds 65%, at which point sediment compaction takes over and causes it to require immediate stabilization. | archaeologist Dr. Diego Alvarez once wrote a well-known guide about field journal back in the 2010s. But once that threshold is crossed, sediment compaction starts to dominate the excavation trench wall. Many beginners lump excavation brush together with burial mound layer, even though the two behave completely differe... | [{"id": 0, "type": "unrelated", "role": "distractor", "text": "archaeologist Dr. Diego Alvarez once wrote a well-known guide about field journal back in the 2010s.", "charStart": 0, "charEnd": 100}, {"id": 1, "type": "related", "role": "mechanism", "text": "But once that threshold is crossed, sediment compaction starts... | [1, 4, 5, 6] | [0, 2, 3, 7] | [[6, 1], [1, 5], [5, 4]] | {"subject": "excavation trench wall", "driver": "exposure to air", "mechanism": "sediment compaction", "outcome": "require immediate stabilization", "threshold": 65, "unit": "%"} |
gci-04828 | archaeology | Archaeology | F | easy | What self-reinforcing cycle causes the fossil bed to rapidly crumble upon exposure to air once the process begins? | Organic decay in the fossil bed raises excavation depth, and the higher excavation depth accelerates organic decay again, forming a loop that quickly leads it to crumble upon exposure to air. | Artifact crate is usually kept near a dig near Xi'an, though that has nothing to do with how the subject of the story actually behaves. As organic decay occurs in the fossil bed, it slightly shifts the nearby excavation depth. An excavation in Petra hosts an annual event celebrating field journal every year. This feedb... | [{"id": 0, "type": "unrelated", "role": "distractor", "text": "Artifact crate is usually kept near a dig near Xi'an, though that has nothing to do with how the subject of the story actually behaves.", "charStart": 0, "charEnd": 135}, {"id": 1, "type": "related", "role": "premise", "text": "As organic decay occurs in th... | [1, 3] | [0, 2] | [[1, 3]] | {"subject": "fossil bed", "driver": "excavation depth", "mechanism": "organic decay", "outcome": "crumble upon exposure to air", "threshold": 85, "unit": "cm"} |
gci-04829 | archaeology | Archaeology | A | medium | Why does the stone tool edge collapse without support once the exposure to air passes 90years? | Crossing 90years of exposure to air triggers erosion acceleration, which causes the stone tool edge to collapse without support. | Because of this, the stone tool edge will collapse without support. That shift triggers erosion acceleration inside the stone tool edge, breaking down its usual structure. The stone tool edge starts to change once the exposure to air passes 90years. Roughly 67% of practitioners say they prefer survey stake over ancient... | [{"id": 0, "type": "related", "role": "consequence", "text": "Because of this, the stone tool edge will collapse without support.", "charStart": 0, "charEnd": 67}, {"id": 1, "type": "related", "role": "mechanism", "text": "That shift triggers erosion acceleration inside the stone tool edge, breaking down its usual stru... | [0, 1, 2] | [3, 4, 5] | [[2, 1], [1, 0]] | {"subject": "stone tool edge", "driver": "exposure to air", "mechanism": "erosion acceleration", "outcome": "collapse without support", "threshold": 90, "unit": "years"} |
gci-04830 | archaeology | Archaeology | B | hard | How did the difference in sediment pressure cause one sample of ancient pottery shard to end up reveal a hidden layer beneath sooner? | The higher sediment pressure sped up oxidation buildup, so that sample reached the point of reveal a hidden layer beneath sooner. | Some archaeological sites are only accessible for a few months a year. Roughly 55% of practitioners say they prefer artifact crate over ruined temple wall just for everyday convenience. Many beginners lump survey stake together with stone tool edge, even though the two behave completely differently. Researchers noted t... | [{"id": 0, "type": "unrelated", "role": "distractor", "text": "Some archaeological sites are only accessible for a few months a year.", "charStart": 0, "charEnd": 70}, {"id": 1, "type": "unrelated", "role": "distractor", "text": "Roughly 55% of practitioners say they prefer artifact crate over ruined temple wall just f... | [3, 4, 5, 7] | [0, 1, 2, 6] | [[5, 4], [4, 7], [7, 3]] | {"subject": "ancient pottery shard", "driver": "sediment pressure", "mechanism": "oxidation buildup", "outcome": "reveal a hidden layer beneath", "threshold": 28, "unit": "%"} |
gci-04831 | archaeology | Archaeology | C | easy | What causes the excavation trench wall to gradually preserve remarkably well after repeated exposure to soil acidity? | Repeated exposure to soil acidity keeps driving oxidation buildup, and the buildup eventually makes the excavation trench wall preserve remarkably well. | Artifact crate is usually kept near a dig site in Luxor, though that has nothing to do with how the subject of the story actually behaves. Over time, repeated exposure to soil acidity slowly affects the excavation trench wall. Roughly 59% of practitioners say they prefer site tent over stone tool edge just for everyday... | [{"id": 0, "type": "unrelated", "role": "distractor", "text": "Artifact crate is usually kept near a dig site in Luxor, though that has nothing to do with how the subject of the story actually behaves.", "charStart": 0, "charEnd": 138}, {"id": 1, "type": "related", "role": "premise", "text": "Over time, repeated exposu... | [1, 3] | [0, 2] | [[1, 3]] | {"subject": "excavation trench wall", "driver": "soil acidity", "mechanism": "oxidation buildup", "outcome": "preserve remarkably well", "threshold": 80, "unit": "years"} |
gci-04832 | archaeology | Archaeology | D | hard | Why does a sudden spike in soil acidity make the ruined temple wall crumble upon exposure to air so quickly? | A spike in soil acidity immediately sets off erosion acceleration, which is fast enough to make the ruined temple wall crumble upon exposure to air almost instantly. | The rapid change sets off erosion acceleration, which spreads quickly through the ruined temple wall. This near-instant reaction is one reason soil acidity is monitored so closely around the ruined temple wall. Many beginners lump dig permit together with burial mound layer, even though the two behave completely differ... | [{"id": 0, "type": "related", "role": "mechanism", "text": "The rapid change sets off erosion acceleration, which spreads quickly through the ruined temple wall.", "charStart": 0, "charEnd": 101}, {"id": 1, "type": "related", "role": "supporting", "text": "This near-instant reaction is one reason soil acidity is monito... | [0, 1, 5, 7] | [2, 3, 4, 6] | [[7, 0], [0, 5], [5, 1]] | {"subject": "ruined temple wall", "driver": "soil acidity", "mechanism": "erosion acceleration", "outcome": "crumble upon exposure to air", "threshold": 82, "unit": "years"} |
gci-04833 | archaeology | Archaeology | E | medium | Under what condition does the ruined temple wall require immediate stabilization, and why does that threshold matter? | The ruined temple wall stays stable until groundwater level exceeds 36%, at which point mineral leaching takes over and causes it to require immediate stabilization. | This is why the ruined temple wall only tends to require immediate stabilization after groundwater level exceeds 36%. A dig near Xi'an hosts an annual event celebrating dig permit every summer. Tree rings can help archaeologists date old wooden structures. If groundwater level stays below 36%, the ruined temple wall re... | [{"id": 0, "type": "related", "role": "consequence", "text": "This is why the ruined temple wall only tends to require immediate stabilization after groundwater level exceeds 36%.", "charStart": 0, "charEnd": 117}, {"id": 1, "type": "unrelated", "role": "distractor", "text": "A dig near Xi'an hosts an annual event cele... | [0, 3, 4] | [1, 2, 5] | [[3, 4], [4, 0]] | {"subject": "ruined temple wall", "driver": "groundwater level", "mechanism": "mineral leaching", "outcome": "require immediate stabilization", "threshold": 36, "unit": "%"} |
gci-04834 | archaeology | Archaeology | F | medium | Explain the feedback loop that causes the ruined temple wall to rapidly preserve remarkably well. | Oxidation buildup in the ruined temple wall raises temperature fluctuation, and the higher temperature fluctuation accelerates oxidation buildup again, forming a loop that quickly leads it to preserve remarkably well. | As oxidation buildup occurs in the ruined temple wall, it slightly shifts the nearby temperature fluctuation. This feedback loop is the reason the ruined temple wall rapidly preserve remarkably well. conservator Priya Anand once wrote a well-known guide about field journal back in the 2000s. Many beginners lump site te... | [{"id": 0, "type": "related", "role": "premise", "text": "As oxidation buildup occurs in the ruined temple wall, it slightly shifts the nearby temperature fluctuation.", "charStart": 0, "charEnd": 109}, {"id": 1, "type": "related", "role": "consequence", "text": "This feedback loop is the reason the ruined temple wall ... | [0, 1, 4] | [2, 3, 5] | [[0, 4], [4, 1]] | {"subject": "ruined temple wall", "driver": "temperature fluctuation", "mechanism": "oxidation buildup", "outcome": "preserve remarkably well", "threshold": 85, "unit": "cm"} |
gci-04835 | archaeology | Archaeology | A | medium | Why does the stone tool edge crumble upon exposure to air once the groundwater level passes 55years? | Crossing 55years of groundwater level triggers organic decay, which causes the stone tool edge to crumble upon exposure to air. | Because of this, the stone tool edge will crumble upon exposure to air. Roughly 9% of practitioners say they prefer artifact crate over excavation trench wall just for everyday convenience. An excavation in Pompeii hosts an annual event celebrating field journal every year. Dig permit is usually kept near a dig site in... | [{"id": 0, "type": "related", "role": "consequence", "text": "Because of this, the stone tool edge will crumble upon exposure to air.", "charStart": 0, "charEnd": 71}, {"id": 1, "type": "unrelated", "role": "distractor", "text": "Roughly 9% of practitioners say they prefer artifact crate over excavation trench wall jus... | [0, 4, 5] | [1, 2, 3] | [[5, 4], [4, 0]] | {"subject": "stone tool edge", "driver": "groundwater level", "mechanism": "organic decay", "outcome": "crumble upon exposure to air", "threshold": 55, "unit": "years"} |
gci-04836 | archaeology | Archaeology | B | easy | How did the difference in excavation depth cause one sample of fossil bed to end up lose its original color sooner? | The higher excavation depth sped up sediment compaction, so that sample reached the point of lose its original color sooner. | Roughly 25% of practitioners say they prefer field journal over stone tool edge just for everyday convenience. Many beginners lump excavation brush together with excavation trench wall, even though the two behave completely differently. That sample ended up lose its original color well before the other one did. Two sam... | [{"id": 0, "type": "unrelated", "role": "distractor", "text": "Roughly 25% of practitioners say they prefer field journal over stone tool edge just for everyday convenience.", "charStart": 0, "charEnd": 110}, {"id": 1, "type": "unrelated", "role": "distractor", "text": "Many beginners lump excavation brush together wit... | [2, 3] | [0, 1] | [[3, 2]] | {"subject": "fossil bed", "driver": "excavation depth", "mechanism": "sediment compaction", "outcome": "lose its original color", "threshold": 28, "unit": "meters"} |
gci-04837 | archaeology | Archaeology | C | medium | What causes the ruined temple wall to gradually preserve remarkably well after repeated exposure to soil acidity? | Repeated exposure to soil acidity keeps driving mineral leaching, and the buildup eventually makes the ruined temple wall preserve remarkably well. | Each cycle intensifies mineral leaching, and the effect compounds with every repetition. Artifact crate is usually kept near an excavation in Pompeii, though that has nothing to do with how the subject of the story actually behaves. Eventually the accumulated change makes the ruined temple wall preserve remarkably well... | [{"id": 0, "type": "related", "role": "mechanism", "text": "Each cycle intensifies mineral leaching, and the effect compounds with every repetition.", "charStart": 0, "charEnd": 88}, {"id": 1, "type": "unrelated", "role": "distractor", "text": "Artifact crate is usually kept near an excavation in Pompeii, though that h... | [0, 2, 4] | [1, 3, 5] | [[4, 0], [0, 2]] | {"subject": "ruined temple wall", "driver": "soil acidity", "mechanism": "mineral leaching", "outcome": "preserve remarkably well", "threshold": 81, "unit": "cm"} |
gci-04838 | archaeology | Archaeology | D | medium | Why does a sudden spike in sediment pressure make the ruined temple wall crumble upon exposure to air so quickly? | A spike in sediment pressure immediately sets off mineral leaching, which is fast enough to make the ruined temple wall crumble upon exposure to air almost instantly. | When sediment pressure suddenly spikes, the ruined temple wall reacts almost immediately. The visible result is that the ruined temple wall will crumble upon exposure to air within moments. The rapid change sets off mineral leaching, which spreads quickly through the ruined temple wall. Artifact crate is usually kept n... | [{"id": 0, "type": "related", "role": "premise", "text": "When sediment pressure suddenly spikes, the ruined temple wall reacts almost immediately.", "charStart": 0, "charEnd": 89}, {"id": 1, "type": "related", "role": "consequence", "text": "The visible result is that the ruined temple wall will crumble upon exposure ... | [0, 1, 2] | [3, 4, 5] | [[0, 2], [2, 1]] | {"subject": "ruined temple wall", "driver": "sediment pressure", "mechanism": "mineral leaching", "outcome": "crumble upon exposure to air", "threshold": 27, "unit": "cm"} |
gci-04839 | archaeology | Archaeology | E | medium | Under what condition does the fossil bed require immediate stabilization, and why does that threshold matter? | The fossil bed stays stable until groundwater level exceeds 81years, at which point erosion acceleration takes over and causes it to require immediate stabilization. | Many beginners lump excavation brush together with stone tool edge, even though the two behave completely differently. A research site in Crete hosts an annual event celebrating dig permit every month. Ancient Egyptians used natron salt in the mummification process. If groundwater level stays below 81years, the fossil ... | [{"id": 0, "type": "unrelated", "role": "distractor", "text": "Many beginners lump excavation brush together with stone tool edge, even though the two behave completely differently.", "charStart": 0, "charEnd": 118}, {"id": 1, "type": "unrelated", "role": "distractor", "text": "A research site in Crete hosts an annual ... | [3, 4, 5] | [0, 1, 2] | [[3, 5], [5, 4]] | {"subject": "fossil bed", "driver": "groundwater level", "mechanism": "erosion acceleration", "outcome": "require immediate stabilization", "threshold": 81, "unit": "years"} |
gci-04840 | archaeology | Archaeology | F | medium | Describe the feedback loop through which the ancient pottery shard accelerates toward crumble upon exposure to air. | Erosion acceleration in the ancient pottery shard raises exposure to air, and the higher exposure to air accelerates erosion acceleration again, forming a loop that quickly leads it to crumble upon exposure to air. | This feedback loop is the reason the ancient pottery shard rapidly crumble upon exposure to air. That shift in exposure to air then speeds up erosion acceleration even further. Many artifacts are first found by accident during construction work. As erosion acceleration occurs in the ancient pottery shard, it slightly s... | [{"id": 0, "type": "related", "role": "consequence", "text": "This feedback loop is the reason the ancient pottery shard rapidly crumble upon exposure to air.", "charStart": 0, "charEnd": 96}, {"id": 1, "type": "related", "role": "mechanism", "text": "That shift in exposure to air then speeds up erosion acceleration ev... | [0, 1, 3] | [2, 4, 5] | [[3, 1], [1, 0]] | {"subject": "ancient pottery shard", "driver": "exposure to air", "mechanism": "erosion acceleration", "outcome": "crumble upon exposure to air", "threshold": 69, "unit": "%"} |
gci-04841 | archaeology | Archaeology | A | easy | Why does the ruined temple wall collapse without support once the soil acidity passes 66%? | Crossing 66% of soil acidity triggers organic decay, which causes the ruined temple wall to collapse without support. | The ruined temple wall starts to change once the soil acidity passes 66%. Because of this, the ruined temple wall will collapse without support. Roughly 14% of practitioners say they prefer site tent over fossil bed just for everyday convenience. Radiocarbon dating can determine the age of organic material. | [{"id": 0, "type": "related", "role": "premise", "text": "The ruined temple wall starts to change once the soil acidity passes 66%.", "charStart": 0, "charEnd": 73}, {"id": 1, "type": "related", "role": "consequence", "text": "Because of this, the ruined temple wall will collapse without support.", "charStart": 74, "ch... | [0, 1] | [2, 3] | [[0, 1]] | {"subject": "ruined temple wall", "driver": "soil acidity", "mechanism": "organic decay", "outcome": "collapse without support", "threshold": 66, "unit": "%"} |
gci-04842 | archaeology | Archaeology | B | medium | How did the difference in temperature fluctuation cause one sample of excavation trench wall to end up preserve remarkably well sooner? | The higher temperature fluctuation sped up oxidation buildup, so that sample reached the point of preserve remarkably well sooner. | The sample with more temperature fluctuation showed noticeably faster oxidation buildup. conservator Priya Anand once wrote a well-known guide about excavation brush back in the 2010s. That sample ended up preserve remarkably well well before the other one did. Some ancient cities remained buried and undiscovered for o... | [{"id": 0, "type": "related", "role": "mechanism", "text": "The sample with more temperature fluctuation showed noticeably faster oxidation buildup.", "charStart": 0, "charEnd": 88}, {"id": 1, "type": "unrelated", "role": "distractor", "text": "conservator Priya Anand once wrote a well-known guide about excavation brus... | [0, 2, 4] | [1, 3, 5] | [[4, 0], [0, 2]] | {"subject": "excavation trench wall", "driver": "temperature fluctuation", "mechanism": "oxidation buildup", "outcome": "preserve remarkably well", "threshold": 83, "unit": "meters"} |
gci-04843 | archaeology | Archaeology | C | medium | What causes the fossil bed to gradually reveal a hidden layer beneath after repeated exposure to sediment pressure? | Repeated exposure to sediment pressure keeps driving structural weakening, and the buildup eventually makes the fossil bed reveal a hidden layer beneath. | Tree rings can help archaeologists date old wooden structures. Each cycle intensifies structural weakening, and the effect compounds with every repetition. Eventually the accumulated change makes the fossil bed reveal a hidden layer beneath. Over time, repeated exposure to sediment pressure slowly affects the fossil be... | [{"id": 0, "type": "unrelated", "role": "distractor", "text": "Tree rings can help archaeologists date old wooden structures.", "charStart": 0, "charEnd": 62}, {"id": 1, "type": "related", "role": "mechanism", "text": "Each cycle intensifies structural weakening, and the effect compounds with every repetition.", "charS... | [1, 2, 3] | [0, 4, 5] | [[3, 1], [1, 2]] | {"subject": "fossil bed", "driver": "sediment pressure", "mechanism": "structural weakening", "outcome": "reveal a hidden layer beneath", "threshold": 90, "unit": "years"} |
gci-04844 | archaeology | Archaeology | D | medium | Why does a sudden spike in temperature fluctuation make the stone tool edge require immediate stabilization so quickly? | A spike in temperature fluctuation immediately sets off mineral leaching, which is fast enough to make the stone tool edge require immediate stabilization almost instantly. | An excavation in Pompeii hosts an annual event celebrating field journal every month. The visible result is that the stone tool edge will require immediate stabilization within moments. Roughly 16% of practitioners say they prefer survey stake over burial mound layer just for everyday convenience. When temperature fluc... | [{"id": 0, "type": "unrelated", "role": "distractor", "text": "An excavation in Pompeii hosts an annual event celebrating field journal every month.", "charStart": 0, "charEnd": 85}, {"id": 1, "type": "related", "role": "consequence", "text": "The visible result is that the stone tool edge will require immediate stabil... | [1, 3, 4] | [0, 2, 5] | [[3, 4], [4, 1]] | {"subject": "stone tool edge", "driver": "temperature fluctuation", "mechanism": "mineral leaching", "outcome": "require immediate stabilization", "threshold": 63, "unit": "meters"} |
gci-04845 | archaeology | Archaeology | E | easy | Under what condition does the excavation trench wall preserve remarkably well, and why does that threshold matter? | The excavation trench wall stays stable until groundwater level exceeds 82meters, at which point oxidation buildup takes over and causes it to preserve remarkably well. | Many beginners lump dig permit together with ruined temple wall, even though the two behave completely differently. This is why the excavation trench wall only tends to preserve remarkably well after groundwater level exceeds 82meters. If groundwater level stays below 82meters, the excavation trench wall remains stable... | [{"id": 0, "type": "unrelated", "role": "distractor", "text": "Many beginners lump dig permit together with ruined temple wall, even though the two behave completely differently.", "charStart": 0, "charEnd": 115}, {"id": 1, "type": "related", "role": "consequence", "text": "This is why the excavation trench wall only t... | [1, 2] | [0, 3] | [[2, 1]] | {"subject": "excavation trench wall", "driver": "groundwater level", "mechanism": "oxidation buildup", "outcome": "preserve remarkably well", "threshold": 82, "unit": "meters"} |
gci-04846 | archaeology | Archaeology | F | hard | Describe the feedback loop through which the excavation trench wall accelerates toward collapse without support. | Oxidation buildup in the excavation trench wall raises temperature fluctuation, and the higher temperature fluctuation accelerates oxidation buildup again, forming a loop that quickly leads it to collapse without support. | Roughly 51% of practitioners say they prefer excavation brush over fossil bed just for everyday convenience. This feedback loop is the reason the excavation trench wall rapidly collapse without support. As oxidation buildup occurs in the excavation trench wall, it slightly shifts the nearby temperature fluctuation. A d... | [{"id": 0, "type": "unrelated", "role": "distractor", "text": "Roughly 51% of practitioners say they prefer excavation brush over fossil bed just for everyday convenience.", "charStart": 0, "charEnd": 108}, {"id": 1, "type": "related", "role": "consequence", "text": "This feedback loop is the reason the excavation tren... | [1, 2, 4, 5] | [0, 3, 6, 7] | [[2, 4], [4, 1], [1, 5]] | {"subject": "excavation trench wall", "driver": "temperature fluctuation", "mechanism": "oxidation buildup", "outcome": "collapse without support", "threshold": 68, "unit": "meters"} |
gci-04847 | archaeology | Archaeology | A | medium | Why does the excavation trench wall preserve remarkably well once the exposure to air passes 22%? | Crossing 22% of exposure to air triggers sediment compaction, which causes the excavation trench wall to preserve remarkably well. | Because of this, the excavation trench wall will preserve remarkably well. The excavation trench wall starts to change once the exposure to air passes 22%. That shift triggers sediment compaction inside the excavation trench wall, breaking down its usual structure. Ancient Egyptians used natron salt in the mummificatio... | [{"id": 0, "type": "related", "role": "consequence", "text": "Because of this, the excavation trench wall will preserve remarkably well.", "charStart": 0, "charEnd": 74}, {"id": 1, "type": "related", "role": "premise", "text": "The excavation trench wall starts to change once the exposure to air passes 22%.", "charStar... | [0, 1, 2] | [3, 4, 5] | [[1, 2], [2, 0]] | {"subject": "excavation trench wall", "driver": "exposure to air", "mechanism": "sediment compaction", "outcome": "preserve remarkably well", "threshold": 22, "unit": "%"} |
gci-04848 | archaeology | Archaeology | B | medium | How did the difference in exposure to air cause one sample of stone tool edge to end up reveal a hidden layer beneath sooner? | The higher exposure to air sped up erosion acceleration, so that sample reached the point of reveal a hidden layer beneath sooner. | That sample ended up reveal a hidden layer beneath well before the other one did. Radiocarbon dating can determine the age of organic material. site director Ines Bergstrom once wrote a well-known guide about site tent back in the 1950s. The sample with more exposure to air showed noticeably faster erosion acceleration... | [{"id": 0, "type": "related", "role": "consequence", "text": "That sample ended up reveal a hidden layer beneath well before the other one did.", "charStart": 0, "charEnd": 81}, {"id": 1, "type": "unrelated", "role": "distractor", "text": "Radiocarbon dating can determine the age of organic material.", "charStart": 82,... | [0, 3, 5] | [1, 2, 4] | [[5, 3], [3, 0]] | {"subject": "stone tool edge", "driver": "exposure to air", "mechanism": "erosion acceleration", "outcome": "reveal a hidden layer beneath", "threshold": 35, "unit": "%"} |
gci-04849 | archaeology | Archaeology | C | medium | What causes the excavation trench wall to gradually reveal a hidden layer beneath after repeated exposure to soil acidity? | Repeated exposure to soil acidity keeps driving oxidation buildup, and the buildup eventually makes the excavation trench wall reveal a hidden layer beneath. | site director Ines Bergstrom once wrote a well-known guide about field journal back in the 1950s. Many beginners lump excavation brush together with fossil bed, even though the two behave completely differently. Dig permit is usually kept near a dig site in Luxor, though that has nothing to do with how the subject of t... | [{"id": 0, "type": "unrelated", "role": "distractor", "text": "site director Ines Bergstrom once wrote a well-known guide about field journal back in the 1950s.", "charStart": 0, "charEnd": 97}, {"id": 1, "type": "unrelated", "role": "distractor", "text": "Many beginners lump excavation brush together with fossil bed, ... | [3, 4, 5] | [0, 1, 2] | [[4, 5], [5, 3]] | {"subject": "excavation trench wall", "driver": "soil acidity", "mechanism": "oxidation buildup", "outcome": "reveal a hidden layer beneath", "threshold": 64, "unit": "cm"} |
gci-04850 | archaeology | Archaeology | D | medium | Why does a sudden spike in temperature fluctuation make the excavation trench wall require immediate stabilization so quickly? | A spike in temperature fluctuation immediately sets off oxidation buildup, which is fast enough to make the excavation trench wall require immediate stabilization almost instantly. | A dig near Xi'an hosts an annual event celebrating dig permit every season. When temperature fluctuation suddenly spikes, the excavation trench wall reacts almost immediately. The rapid change sets off oxidation buildup, which spreads quickly through the excavation trench wall. Ancient Egyptians used natron salt in the... | [{"id": 0, "type": "unrelated", "role": "distractor", "text": "A dig near Xi'an hosts an annual event celebrating dig permit every season.", "charStart": 0, "charEnd": 75}, {"id": 1, "type": "related", "role": "premise", "text": "When temperature fluctuation suddenly spikes, the excavation trench wall reacts almost imm... | [1, 2, 5] | [0, 3, 4] | [[1, 2], [2, 5]] | {"subject": "excavation trench wall", "driver": "temperature fluctuation", "mechanism": "oxidation buildup", "outcome": "require immediate stabilization", "threshold": 45, "unit": "cm"} |
gci-04851 | archaeology | Archaeology | E | easy | At what threshold of sediment pressure does the fossil bed begin to crumble upon exposure to air, and why is crossing that value critical? | The fossil bed stays stable until sediment pressure exceeds 33years, at which point mineral leaching takes over and causes it to crumble upon exposure to air. | If sediment pressure stays below 33years, the fossil bed remains stable. A research site in Crete hosts an annual event celebrating site tent every season. This is why the fossil bed only tends to crumble upon exposure to air after sediment pressure exceeds 33years. Roughly 23% of practitioners say they prefer dig perm... | [{"id": 0, "type": "related", "role": "premise", "text": "If sediment pressure stays below 33years, the fossil bed remains stable.", "charStart": 0, "charEnd": 72}, {"id": 1, "type": "unrelated", "role": "distractor", "text": "A research site in Crete hosts an annual event celebrating site tent every season.", "charSta... | [0, 2] | [1, 3] | [[0, 2]] | {"subject": "fossil bed", "driver": "sediment pressure", "mechanism": "mineral leaching", "outcome": "crumble upon exposure to air", "threshold": 33, "unit": "years"} |
gci-04852 | archaeology | Archaeology | F | hard | Explain the feedback loop that causes the fossil bed to rapidly preserve remarkably well. | Oxidation buildup in the fossil bed raises temperature fluctuation, and the higher temperature fluctuation accelerates oxidation buildup again, forming a loop that quickly leads it to preserve remarkably well. | This feedback loop is the reason the fossil bed rapidly preserve remarkably well. That shift in temperature fluctuation then speeds up oxidation buildup even further. site director Ines Bergstrom once wrote a well-known guide about dig permit back in the 1950s. Site tent is usually kept near an excavation in Pompeii, t... | [{"id": 0, "type": "related", "role": "consequence", "text": "This feedback loop is the reason the fossil bed rapidly preserve remarkably well.", "charStart": 0, "charEnd": 81}, {"id": 1, "type": "related", "role": "mechanism", "text": "That shift in temperature fluctuation then speeds up oxidation buildup even further... | [0, 1, 4, 5] | [2, 3, 6, 7] | [[5, 1], [1, 0], [0, 4]] | {"subject": "fossil bed", "driver": "temperature fluctuation", "mechanism": "oxidation buildup", "outcome": "preserve remarkably well", "threshold": 53, "unit": "meters"} |
gci-04853 | archaeology | Archaeology | A | medium | Why does the excavation trench wall lose its original color once the temperature fluctuation passes 34cm? | Crossing 34cm of temperature fluctuation triggers oxidation buildup, which causes the excavation trench wall to lose its original color. | That shift triggers oxidation buildup inside the excavation trench wall, breaking down its usual structure. The excavation trench wall starts to change once the temperature fluctuation passes 34cm. Because of this, the excavation trench wall will lose its original color. Roughly 35% of practitioners say they prefer exc... | [{"id": 0, "type": "related", "role": "mechanism", "text": "That shift triggers oxidation buildup inside the excavation trench wall, breaking down its usual structure.", "charStart": 0, "charEnd": 107}, {"id": 1, "type": "related", "role": "premise", "text": "The excavation trench wall starts to change once the tempera... | [0, 1, 2] | [3, 4, 5] | [[1, 0], [0, 2]] | {"subject": "excavation trench wall", "driver": "temperature fluctuation", "mechanism": "oxidation buildup", "outcome": "lose its original color", "threshold": 34, "unit": "cm"} |
gci-04854 | archaeology | Archaeology | B | easy | How did the difference in temperature fluctuation cause one sample of ancient pottery shard to end up require immediate stabilization sooner? | The higher temperature fluctuation sped up sediment compaction, so that sample reached the point of require immediate stabilization sooner. | Ancient Egyptians used natron salt in the mummification process. That sample ended up require immediate stabilization well before the other one did. Artifact crate is usually kept near a dig site in Luxor, though that has nothing to do with how the subject of the story actually behaves. Two samples of ancient pottery s... | [{"id": 0, "type": "unrelated", "role": "distractor", "text": "Ancient Egyptians used natron salt in the mummification process.", "charStart": 0, "charEnd": 64}, {"id": 1, "type": "related", "role": "consequence", "text": "That sample ended up require immediate stabilization well before the other one did.", "charStart"... | [1, 3] | [0, 2] | [[3, 1]] | {"subject": "ancient pottery shard", "driver": "temperature fluctuation", "mechanism": "sediment compaction", "outcome": "require immediate stabilization", "threshold": 45, "unit": "%"} |
gci-04855 | archaeology | Archaeology | C | hard | What causes the excavation trench wall to gradually collapse without support after repeated exposure to temperature fluctuation? | Repeated exposure to temperature fluctuation keeps driving oxidation buildup, and the buildup eventually makes the excavation trench wall collapse without support. | Each cycle intensifies oxidation buildup, and the effect compounds with every repetition. Eventually the accumulated change makes the excavation trench wall collapse without support. The effect is barely noticeable at first, but it builds steadily with each exposure to temperature fluctuation. Roughly 67% of practition... | [{"id": 0, "type": "related", "role": "mechanism", "text": "Each cycle intensifies oxidation buildup, and the effect compounds with every repetition.", "charStart": 0, "charEnd": 89}, {"id": 1, "type": "related", "role": "consequence", "text": "Eventually the accumulated change makes the excavation trench wall collapse... | [0, 1, 2, 5] | [3, 4, 6, 7] | [[5, 0], [0, 1], [1, 2]] | {"subject": "excavation trench wall", "driver": "temperature fluctuation", "mechanism": "oxidation buildup", "outcome": "collapse without support", "threshold": 56, "unit": "cm"} |
gci-04856 | archaeology | Archaeology | D | medium | Why does a sudden spike in exposure to air make the ruined temple wall require immediate stabilization so quickly? | A spike in exposure to air immediately sets off structural weakening, which is fast enough to make the ruined temple wall require immediate stabilization almost instantly. | Excavation brush is usually kept near an excavation in Pompeii, though that has nothing to do with how the subject of the story actually behaves. The visible result is that the ruined temple wall will require immediate stabilization within moments. When exposure to air suddenly spikes, the ruined temple wall reacts alm... | [{"id": 0, "type": "unrelated", "role": "distractor", "text": "Excavation brush is usually kept near an excavation in Pompeii, though that has nothing to do with how the subject of the story actually behaves.", "charStart": 0, "charEnd": 145}, {"id": 1, "type": "related", "role": "consequence", "text": "The visible res... | [1, 2, 5] | [0, 3, 4] | [[2, 5], [5, 1]] | {"subject": "ruined temple wall", "driver": "exposure to air", "mechanism": "structural weakening", "outcome": "require immediate stabilization", "threshold": 38, "unit": "%"} |
gci-04857 | archaeology | Archaeology | E | medium | Under what condition does the ruined temple wall crumble upon exposure to air, and why does that threshold matter? | The ruined temple wall stays stable until temperature fluctuation exceeds 90years, at which point erosion acceleration takes over and causes it to crumble upon exposure to air. | conservator Priya Anand once wrote a well-known guide about artifact crate back in the 1970s. But once that threshold is crossed, erosion acceleration starts to dominate the ruined temple wall. If temperature fluctuation stays below 90years, the ruined temple wall remains stable. This is why the ruined temple wall only... | [{"id": 0, "type": "unrelated", "role": "distractor", "text": "conservator Priya Anand once wrote a well-known guide about artifact crate back in the 1970s.", "charStart": 0, "charEnd": 93}, {"id": 1, "type": "related", "role": "mechanism", "text": "But once that threshold is crossed, erosion acceleration starts to dom... | [1, 2, 3] | [0, 4, 5] | [[2, 1], [1, 3]] | {"subject": "ruined temple wall", "driver": "temperature fluctuation", "mechanism": "erosion acceleration", "outcome": "crumble upon exposure to air", "threshold": 90, "unit": "years"} |
gci-04858 | archaeology | Archaeology | F | medium | Explain the feedback loop that causes the stone tool edge to rapidly lose its original color. | Mineral leaching in the stone tool edge raises temperature fluctuation, and the higher temperature fluctuation accelerates mineral leaching again, forming a loop that quickly leads it to lose its original color. | This feedback loop is the reason the stone tool edge rapidly lose its original color. As mineral leaching occurs in the stone tool edge, it slightly shifts the nearby temperature fluctuation. That shift in temperature fluctuation then speeds up mineral leaching even further. Artifact crate is usually kept near a dig ne... | [{"id": 0, "type": "related", "role": "consequence", "text": "This feedback loop is the reason the stone tool edge rapidly lose its original color.", "charStart": 0, "charEnd": 85}, {"id": 1, "type": "related", "role": "premise", "text": "As mineral leaching occurs in the stone tool edge, it slightly shifts the nearby ... | [0, 1, 2] | [3, 4, 5] | [[1, 2], [2, 0]] | {"subject": "stone tool edge", "driver": "temperature fluctuation", "mechanism": "mineral leaching", "outcome": "lose its original color", "threshold": 42, "unit": "years"} |
gci-04859 | archaeology | Archaeology | A | medium | Why does the ancient pottery shard crumble upon exposure to air once the groundwater level passes 86meters? | Crossing 86meters of groundwater level triggers structural weakening, which causes the ancient pottery shard to crumble upon exposure to air. | Tree rings can help archaeologists date old wooden structures. Many beginners lump site tent together with stone tool edge, even though the two behave completely differently. The ancient pottery shard starts to change once the groundwater level passes 86meters. That shift triggers structural weakening inside the ancien... | [{"id": 0, "type": "unrelated", "role": "distractor", "text": "Tree rings can help archaeologists date old wooden structures.", "charStart": 0, "charEnd": 62}, {"id": 1, "type": "unrelated", "role": "distractor", "text": "Many beginners lump site tent together with stone tool edge, even though the two behave completely... | [2, 3, 5] | [0, 1, 4] | [[2, 3], [3, 5]] | {"subject": "ancient pottery shard", "driver": "groundwater level", "mechanism": "structural weakening", "outcome": "crumble upon exposure to air", "threshold": 86, "unit": "meters"} |
gci-04860 | archaeology | Archaeology | B | medium | How did the difference in temperature fluctuation cause one sample of excavation trench wall to end up require immediate stabilization sooner? | The higher temperature fluctuation sped up sediment compaction, so that sample reached the point of require immediate stabilization sooner. | Site tent is usually kept near a field site in Peru, though that has nothing to do with how the subject of the story actually behaves. Roughly 33% of practitioners say they prefer excavation brush over burial mound layer just for everyday convenience. field assistant Tom Reilly once wrote a well-known guide about dig p... | [{"id": 0, "type": "unrelated", "role": "distractor", "text": "Site tent is usually kept near a field site in Peru, though that has nothing to do with how the subject of the story actually behaves.", "charStart": 0, "charEnd": 134}, {"id": 1, "type": "unrelated", "role": "distractor", "text": "Roughly 33% of practition... | [3, 4, 5] | [0, 1, 2] | [[4, 5], [5, 3]] | {"subject": "excavation trench wall", "driver": "temperature fluctuation", "mechanism": "sediment compaction", "outcome": "require immediate stabilization", "threshold": 59, "unit": "years"} |
gci-04861 | archaeology | Archaeology | C | easy | What causes the fossil bed to gradually lose its original color after repeated exposure to exposure to air? | Repeated exposure to exposure to air keeps driving structural weakening, and the buildup eventually makes the fossil bed lose its original color. | Over time, repeated exposure to exposure to air slowly affects the fossil bed. Eventually the accumulated change makes the fossil bed lose its original color. Many beginners lump excavation brush together with stone tool edge, even though the two behave completely differently. A research site in Crete hosts an annual e... | [{"id": 0, "type": "related", "role": "premise", "text": "Over time, repeated exposure to exposure to air slowly affects the fossil bed.", "charStart": 0, "charEnd": 78}, {"id": 1, "type": "related", "role": "consequence", "text": "Eventually the accumulated change makes the fossil bed lose its original color.", "charS... | [0, 1] | [2, 3] | [[0, 1]] | {"subject": "fossil bed", "driver": "exposure to air", "mechanism": "structural weakening", "outcome": "lose its original color", "threshold": 57, "unit": "%"} |
gci-04862 | archaeology | Archaeology | D | easy | Why does a sudden spike in groundwater level make the burial mound layer collapse without support so quickly? | A spike in groundwater level immediately sets off erosion acceleration, which is fast enough to make the burial mound layer collapse without support almost instantly. | historian Dr. Owen Faust once wrote a well-known guide about artifact crate back in the 2000s. Many artifacts are first found by accident during construction work. The visible result is that the burial mound layer will collapse without support within moments. When groundwater level suddenly spikes, the burial mound lay... | [{"id": 0, "type": "unrelated", "role": "distractor", "text": "historian Dr. Owen Faust once wrote a well-known guide about artifact crate back in the 2000s.", "charStart": 0, "charEnd": 94}, {"id": 1, "type": "unrelated", "role": "distractor", "text": "Many artifacts are first found by accident during construction wor... | [2, 3] | [0, 1] | [[3, 2]] | {"subject": "burial mound layer", "driver": "groundwater level", "mechanism": "erosion acceleration", "outcome": "collapse without support", "threshold": 26, "unit": "years"} |
gci-04863 | archaeology | Archaeology | E | hard | At what threshold of exposure to air does the ancient pottery shard begin to collapse without support, and why is crossing that value critical? | The ancient pottery shard stays stable until exposure to air exceeds 55cm, at which point mineral leaching takes over and causes it to collapse without support. | site director Ines Bergstrom once wrote a well-known guide about field journal back in the 2000s. A field site in Peru hosts an annual event celebrating survey stake every month. If exposure to air stays below 55cm, the ancient pottery shard remains stable. Below that 55cm threshold, mineral leaching barely plays a rol... | [{"id": 0, "type": "unrelated", "role": "distractor", "text": "site director Ines Bergstrom once wrote a well-known guide about field journal back in the 2000s.", "charStart": 0, "charEnd": 97}, {"id": 1, "type": "unrelated", "role": "distractor", "text": "A field site in Peru hosts an annual event celebrating survey s... | [2, 3, 4, 6] | [0, 1, 5, 7] | [[2, 4], [4, 6], [6, 3]] | {"subject": "ancient pottery shard", "driver": "exposure to air", "mechanism": "mineral leaching", "outcome": "collapse without support", "threshold": 55, "unit": "cm"} |
gci-04864 | archaeology | Archaeology | F | hard | Describe the feedback loop through which the burial mound layer accelerates toward collapse without support. | Oxidation buildup in the burial mound layer raises temperature fluctuation, and the higher temperature fluctuation accelerates oxidation buildup again, forming a loop that quickly leads it to collapse without support. | Once the loop begins, it becomes difficult to stop the burial mound layer from continuing toward collapse without support rapidly. This feedback loop is the reason the burial mound layer rapidly collapse without support. A research site in Crete hosts an annual event celebrating site tent every season. That shift in te... | [{"id": 0, "type": "related", "role": "supporting", "text": "Once the loop begins, it becomes difficult to stop the burial mound layer from continuing toward collapse without support rapidly.", "charStart": 0, "charEnd": 130}, {"id": 1, "type": "related", "role": "consequence", "text": "This feedback loop is the reason... | [0, 1, 3, 5] | [2, 4, 6, 7] | [[5, 3], [3, 1], [1, 0]] | {"subject": "burial mound layer", "driver": "temperature fluctuation", "mechanism": "oxidation buildup", "outcome": "collapse without support", "threshold": 61, "unit": "cm"} |
gci-04865 | archaeology | Archaeology | A | hard | Why does the excavation trench wall crumble upon exposure to air once the excavation depth passes 27years? | Crossing 27years of excavation depth triggers organic decay, which causes the excavation trench wall to crumble upon exposure to air. | The excavation trench wall starts to change once the excavation depth passes 27years. That shift triggers organic decay inside the excavation trench wall, breaking down its usual structure. Longitudinal data from observation networks provides the empirical basis for current models. Several patents have been filed for m... | [{"id": 0, "type": "related", "role": "premise", "text": "The excavation trench wall starts to change once the excavation depth passes 27years.", "charStart": 0, "charEnd": 85}, {"id": 1, "type": "related", "role": "mechanism", "text": "That shift triggers organic decay inside the excavation trench wall, breaking down ... | [0, 1, 5, 6] | [2, 3, 4, 7] | [[0, 1], [1, 5], [5, 6]] | {"subject": "excavation trench wall", "driver": "excavation depth", "mechanism": "organic decay", "outcome": "crumble upon exposure to air", "threshold": 27, "unit": "years"} |
gci-04866 | archaeology | Archaeology | B | easy | How did the difference in soil acidity cause one sample of ruined temple wall to end up collapsing without support sooner? | The higher soil acidity sped up structural weakening, so that sample reached the point of collapsing without support sooner. | archaeologist Dr. Diego Alvarez once wrote a well-known guide about dig permit back in the 1920s. Two samples of ruined temple wall were compared, one with a much higher soil acidity than the other. That sample ended up collapse without support well before the other one did. Roughly 64% of practitioners say they prefer... | [{"id": 0, "type": "unrelated", "role": "distractor", "text": "archaeologist Dr. Diego Alvarez once wrote a well-known guide about dig permit back in the 1920s.", "charStart": 0, "charEnd": 97}, {"id": 1, "type": "related", "role": "premise", "text": "Two samples of ruined temple wall were compared, one with a much hig... | [1, 2] | [0, 3] | [[1, 2]] | {"subject": "ruined temple wall", "driver": "soil acidity", "mechanism": "structural weakening", "outcome": "collapse without support", "threshold": 79, "unit": "meters"} |
gci-04867 | archaeology | Archaeology | C | easy | What causes the stone tool edge to gradually collapse without support after repeated exposure to groundwater level? | Repeated exposure to groundwater level keeps driving oxidation buildup, and the buildup eventually makes the stone tool edge collapse without support. | Dig permit is usually kept near a dig near Xi'an, though that has nothing to do with how the subject of the story actually behaves. Many beginners lump field journal together with ancient pottery shard, even though the two behave completely differently. Eventually the accumulated change makes the stone tool edge collap... | [{"id": 0, "type": "unrelated", "role": "distractor", "text": "Dig permit is usually kept near a dig near Xi'an, though that has nothing to do with how the subject of the story actually behaves.", "charStart": 0, "charEnd": 131}, {"id": 1, "type": "unrelated", "role": "distractor", "text": "Many beginners lump field jo... | [2, 3] | [0, 1] | [[3, 2]] | {"subject": "stone tool edge", "driver": "groundwater level", "mechanism": "oxidation buildup", "outcome": "collapse without support", "threshold": 84, "unit": "cm"} |
gci-04868 | archaeology | Archaeology | D | medium | Why does a sudden spike in excavation depth make the stone tool edge preserve remarkably well so quickly? | A spike in excavation depth immediately sets off structural weakening, which is fast enough to make the stone tool edge preserve remarkably well almost instantly. | The visible result is that the stone tool edge will preserve remarkably well within moments. Some archaeological sites are only accessible for a few months a year. researcher Dr. Naomi Cheng once wrote a well-known guide about survey stake back in the 1920s. The rapid change sets off structural weakening, which spreads... | [{"id": 0, "type": "related", "role": "consequence", "text": "The visible result is that the stone tool edge will preserve remarkably well within moments.", "charStart": 0, "charEnd": 92}, {"id": 1, "type": "unrelated", "role": "distractor", "text": "Some archaeological sites are only accessible for a few months a year... | [0, 3, 4] | [1, 2, 5] | [[4, 3], [3, 0]] | {"subject": "stone tool edge", "driver": "excavation depth", "mechanism": "structural weakening", "outcome": "preserve remarkably well", "threshold": 43, "unit": "meters"} |
gci-04869 | archaeology | Archaeology | E | easy | At what threshold of excavation depth does the burial mound layer begin to crumble upon exposure to air, and why is crossing that value critical? | The burial mound layer stays stable until excavation depth exceeds 32years, at which point mineral leaching takes over and causes it to crumble upon exposure to air. | If excavation depth stays below 32years, the burial mound layer remains stable. site director Ines Bergstrom once wrote a well-known guide about field journal back in the 2010s. This is why the burial mound layer only tends to crumble upon exposure to air after excavation depth exceeds 32years. An excavation in Petra h... | [{"id": 0, "type": "related", "role": "premise", "text": "If excavation depth stays below 32years, the burial mound layer remains stable.", "charStart": 0, "charEnd": 79}, {"id": 1, "type": "unrelated", "role": "distractor", "text": "site director Ines Bergstrom once wrote a well-known guide about field journal back in... | [0, 2] | [1, 3] | [[0, 2]] | {"subject": "burial mound layer", "driver": "excavation depth", "mechanism": "mineral leaching", "outcome": "crumble upon exposure to air", "threshold": 32, "unit": "years"} |
gci-04870 | archaeology | Archaeology | F | easy | Explain the feedback loop that causes the ruined temple wall to rapidly crumble upon exposure to air. | Sediment compaction in the ruined temple wall raises exposure to air, and the higher exposure to air accelerates sediment compaction again, forming a loop that quickly leads it to crumble upon exposure to air. | site director Ines Bergstrom once wrote a well-known guide about field journal back in the 2010s. Many beginners lump artifact crate together with excavation trench wall, even though the two behave completely differently. As sediment compaction occurs in the ruined temple wall, it slightly shifts the nearby exposure to... | [{"id": 0, "type": "unrelated", "role": "distractor", "text": "site director Ines Bergstrom once wrote a well-known guide about field journal back in the 2010s.", "charStart": 0, "charEnd": 97}, {"id": 1, "type": "unrelated", "role": "distractor", "text": "Many beginners lump artifact crate together with excavation tre... | [2, 3] | [0, 1] | [[2, 3]] | {"subject": "ruined temple wall", "driver": "exposure to air", "mechanism": "sediment compaction", "outcome": "crumble upon exposure to air", "threshold": 66, "unit": "years"} |
gci-04871 | archaeology | Archaeology | A | medium | Why does the ruined temple wall preserve remarkably well once the exposure to air passes 60years? | Crossing 60years of exposure to air triggers organic decay, which causes the ruined temple wall to preserve remarkably well. | Because of this, the ruined temple wall will preserve remarkably well. Roughly 27% of practitioners say they prefer site tent over ancient pottery shard just for everyday convenience. Ancient Egyptians used natron salt in the mummification process. Field journal is usually kept near a research site in Crete, though tha... | [{"id": 0, "type": "related", "role": "consequence", "text": "Because of this, the ruined temple wall will preserve remarkably well.", "charStart": 0, "charEnd": 70}, {"id": 1, "type": "unrelated", "role": "distractor", "text": "Roughly 27% of practitioners say they prefer site tent over ancient pottery shard just for ... | [0, 4, 5] | [1, 2, 3] | [[5, 4], [4, 0]] | {"subject": "ruined temple wall", "driver": "exposure to air", "mechanism": "organic decay", "outcome": "preserve remarkably well", "threshold": 60, "unit": "years"} |
gci-04872 | archaeology | Archaeology | B | medium | How did the difference in temperature fluctuation affect when the fossil bed reached the crumble upon exposure to air stage? | The higher temperature fluctuation sped up structural weakening, so that sample reached the point of crumble upon exposure to air sooner. | Historical records indicate that similar phenomena were documented as early as the 18th century. Two samples of fossil bed were compared, one with a much higher temperature fluctuation than the other. Researchers have published several studies on this topic in major scientific journals. A recent survey found that 65% o... | [{"id": 0, "type": "unrelated", "role": "distractor", "text": "Historical records indicate that similar phenomena were documented as early as the 18th century.", "charStart": 0, "charEnd": 96}, {"id": 1, "type": "related", "role": "premise", "text": "Two samples of fossil bed were compared, one with a much higher tempe... | [1, 4, 5] | [0, 2, 3] | [[1, 4], [4, 5]] | {"subject": "fossil bed", "driver": "temperature fluctuation", "mechanism": "structural weakening", "outcome": "crumble upon exposure to air", "threshold": 44, "unit": "cm"} |
gci-04873 | archaeology | Archaeology | C | easy | What causes the excavation trench wall to gradually preserve remarkably well after repeated exposure to exposure to air? | Repeated exposure to exposure to air keeps driving erosion acceleration, and the buildup eventually makes the excavation trench wall preserve remarkably well. | Some ancient cities remained buried and undiscovered for over a thousand years. Eventually the accumulated change makes the excavation trench wall preserve remarkably well. Over time, repeated exposure to exposure to air slowly affects the excavation trench wall. An excavation in Petra hosts an annual event celebrating... | [{"id": 0, "type": "unrelated", "role": "distractor", "text": "Some ancient cities remained buried and undiscovered for over a thousand years.", "charStart": 0, "charEnd": 79}, {"id": 1, "type": "related", "role": "consequence", "text": "Eventually the accumulated change makes the excavation trench wall preserve remark... | [1, 2] | [0, 3] | [[2, 1]] | {"subject": "excavation trench wall", "driver": "exposure to air", "mechanism": "erosion acceleration", "outcome": "preserve remarkably well", "threshold": 45, "unit": "cm"} |
gci-04874 | archaeology | Archaeology | D | hard | Why does a sudden spike in groundwater level make the burial mound layer preserve remarkably well so quickly? | A spike in groundwater level immediately sets off oxidation buildup, which is fast enough to make the burial mound layer preserve remarkably well almost instantly. | This near-instant reaction is one reason groundwater level is monitored so closely around the burial mound layer. When groundwater level suddenly spikes, the burial mound layer reacts almost immediately. The visible result is that the burial mound layer will preserve remarkably well within moments. Many beginners lump ... | [{"id": 0, "type": "related", "role": "supporting", "text": "This near-instant reaction is one reason groundwater level is monitored so closely around the burial mound layer.", "charStart": 0, "charEnd": 113}, {"id": 1, "type": "related", "role": "premise", "text": "When groundwater level suddenly spikes, the burial mo... | [0, 1, 2, 5] | [3, 4, 6, 7] | [[1, 5], [5, 2], [2, 0]] | {"subject": "burial mound layer", "driver": "groundwater level", "mechanism": "oxidation buildup", "outcome": "preserve remarkably well", "threshold": 57, "unit": "meters"} |
gci-04875 | archaeology | Archaeology | E | medium | At what threshold of exposure to air does the ruined temple wall begin to require immediate stabilization, and why is crossing that value critical? | The ruined temple wall stays stable until exposure to air exceeds 63years, at which point erosion acceleration takes over and causes it to require immediate stabilization. | But once that threshold is crossed, erosion acceleration starts to dominate the ruined temple wall. If exposure to air stays below 63years, the ruined temple wall remains stable. Survey stake is usually kept near an excavation in Pompeii, though that has nothing to do with how the subject of the story actually behaves.... | [{"id": 0, "type": "related", "role": "mechanism", "text": "But once that threshold is crossed, erosion acceleration starts to dominate the ruined temple wall.", "charStart": 0, "charEnd": 99}, {"id": 1, "type": "related", "role": "premise", "text": "If exposure to air stays below 63years, the ruined temple wall remain... | [0, 1, 5] | [2, 3, 4] | [[1, 0], [0, 5]] | {"subject": "ruined temple wall", "driver": "exposure to air", "mechanism": "erosion acceleration", "outcome": "require immediate stabilization", "threshold": 63, "unit": "years"} |
gci-04876 | archaeology | Archaeology | F | medium | Explain the feedback loop that causes the excavation trench wall to rapidly require immediate stabilization. | Oxidation buildup in the excavation trench wall raises sediment pressure, and the higher sediment pressure accelerates oxidation buildup again, forming a loop that quickly leads it to require immediate stabilization. | That shift in sediment pressure then speeds up oxidation buildup even further. This feedback loop is the reason the excavation trench wall rapidly require immediate stabilization. conservator Priya Anand once wrote a well-known guide about excavation brush back in the 1950s. Excavation brush is usually kept near a dig ... | [{"id": 0, "type": "related", "role": "mechanism", "text": "That shift in sediment pressure then speeds up oxidation buildup even further.", "charStart": 0, "charEnd": 78}, {"id": 1, "type": "related", "role": "consequence", "text": "This feedback loop is the reason the excavation trench wall rapidly require immediate ... | [0, 1, 4] | [2, 3, 5] | [[4, 0], [0, 1]] | {"subject": "excavation trench wall", "driver": "sediment pressure", "mechanism": "oxidation buildup", "outcome": "require immediate stabilization", "threshold": 61, "unit": "meters"} |
gci-04877 | archaeology | Archaeology | A | medium | Why does the burial mound layer preserve remarkably well once the sediment pressure passes 68cm? | Crossing 68cm of sediment pressure triggers erosion acceleration, which causes the burial mound layer to preserve remarkably well. | researcher Dr. Naomi Cheng once wrote a well-known guide about site tent back in the 2010s. Many beginners lump survey stake together with excavation trench wall, even though the two behave completely differently. Because of this, the burial mound layer will preserve remarkably well. The burial mound layer starts to ch... | [{"id": 0, "type": "unrelated", "role": "distractor", "text": "researcher Dr. Naomi Cheng once wrote a well-known guide about site tent back in the 2010s.", "charStart": 0, "charEnd": 91}, {"id": 1, "type": "unrelated", "role": "distractor", "text": "Many beginners lump survey stake together with excavation trench wall... | [2, 3, 5] | [0, 1, 4] | [[3, 5], [5, 2]] | {"subject": "burial mound layer", "driver": "sediment pressure", "mechanism": "erosion acceleration", "outcome": "preserve remarkably well", "threshold": 68, "unit": "cm"} |
gci-04878 | archaeology | Archaeology | B | hard | How did the difference in sediment pressure cause one sample of ruined temple wall to end up lose its original color sooner? | The higher sediment pressure sped up erosion acceleration, so that sample reached the point of lose its original color sooner. | Roughly 91% of practitioners say they prefer excavation brush over burial mound layer just for everyday convenience. Tree rings can help archaeologists date old wooden structures. The sample with more sediment pressure showed noticeably faster erosion acceleration. Many beginners lump excavation brush together with exc... | [{"id": 0, "type": "unrelated", "role": "distractor", "text": "Roughly 91% of practitioners say they prefer excavation brush over burial mound layer just for everyday convenience.", "charStart": 0, "charEnd": 116}, {"id": 1, "type": "unrelated", "role": "distractor", "text": "Tree rings can help archaeologists date old... | [2, 4, 6, 7] | [0, 1, 3, 5] | [[6, 2], [2, 7], [7, 4]] | {"subject": "ruined temple wall", "driver": "sediment pressure", "mechanism": "erosion acceleration", "outcome": "lose its original color", "threshold": 80, "unit": "%"} |
gci-04879 | archaeology | Archaeology | C | hard | What causes the ruined temple wall to gradually reveal a hidden layer beneath after repeated exposure to temperature fluctuation? | Repeated exposure to temperature fluctuation keeps driving oxidation buildup, and the buildup eventually makes the ruined temple wall reveal a hidden layer beneath. | Each cycle intensifies oxidation buildup, and the effect compounds with every repetition. Site tent is usually kept near a dig site in Luxor, though that has nothing to do with how the subject of the story actually behaves. Roughly 27% of practitioners say they prefer excavation brush over fossil bed just for everyday ... | [{"id": 0, "type": "related", "role": "mechanism", "text": "Each cycle intensifies oxidation buildup, and the effect compounds with every repetition.", "charStart": 0, "charEnd": 89}, {"id": 1, "type": "unrelated", "role": "distractor", "text": "Site tent is usually kept near a dig site in Luxor, though that has nothin... | [0, 5, 6, 7] | [1, 2, 3, 4] | [[6, 0], [0, 5], [5, 7]] | {"subject": "ruined temple wall", "driver": "temperature fluctuation", "mechanism": "oxidation buildup", "outcome": "reveal a hidden layer beneath", "threshold": 21, "unit": "cm"} |
gci-04880 | archaeology | Archaeology | D | easy | Why does a sudden spike in temperature fluctuation make the fossil bed reveal a hidden layer beneath so quickly? | A spike in temperature fluctuation immediately sets off sediment compaction, which is fast enough to make the fossil bed reveal a hidden layer beneath almost instantly. | Many beginners lump excavation brush together with burial mound layer, even though the two behave completely differently. When temperature fluctuation suddenly spikes, the fossil bed reacts almost immediately. archaeologist Dr. Diego Alvarez once wrote a well-known guide about survey stake back in the 1990s. The visibl... | [{"id": 0, "type": "unrelated", "role": "distractor", "text": "Many beginners lump excavation brush together with burial mound layer, even though the two behave completely differently.", "charStart": 0, "charEnd": 121}, {"id": 1, "type": "related", "role": "premise", "text": "When temperature fluctuation suddenly spike... | [1, 3] | [0, 2] | [[1, 3]] | {"subject": "fossil bed", "driver": "temperature fluctuation", "mechanism": "sediment compaction", "outcome": "reveal a hidden layer beneath", "threshold": 59, "unit": "meters"} |
gci-04881 | archaeology | Archaeology | E | medium | At what threshold of groundwater level does the stone tool edge begin to crumble upon exposure to air, and why is crossing that value critical? | The stone tool edge stays stable until groundwater level exceeds 39%, at which point structural weakening takes over and causes it to crumble upon exposure to air. | Many beginners lump dig permit together with ruined temple wall, even though the two behave completely differently. Roughly 25% of practitioners say they prefer survey stake over fossil bed just for everyday convenience. This is why the stone tool edge only tends to crumble upon exposure to air after groundwater level ... | [{"id": 0, "type": "unrelated", "role": "distractor", "text": "Many beginners lump dig permit together with ruined temple wall, even though the two behave completely differently.", "charStart": 0, "charEnd": 115}, {"id": 1, "type": "unrelated", "role": "distractor", "text": "Roughly 25% of practitioners say they prefer... | [2, 4, 5] | [0, 1, 3] | [[4, 5], [5, 2]] | {"subject": "stone tool edge", "driver": "groundwater level", "mechanism": "structural weakening", "outcome": "crumble upon exposure to air", "threshold": 39, "unit": "%"} |
gci-04882 | archaeology | Archaeology | F | medium | Describe the feedback loop through which the ruined temple wall accelerates toward preserve remarkably well. | Mineral leaching in the ruined temple wall raises exposure to air, and the higher exposure to air accelerates mineral leaching again, forming a loop that quickly leads it to preserve remarkably well. | A research site in Crete hosts an annual event celebrating excavation brush every quarter. Roughly 19% of practitioners say they prefer artifact crate over burial mound layer just for everyday convenience. That shift in exposure to air then speeds up mineral leaching even further. Many beginners lump excavation brush t... | [{"id": 0, "type": "unrelated", "role": "distractor", "text": "A research site in Crete hosts an annual event celebrating excavation brush every quarter.", "charStart": 0, "charEnd": 90}, {"id": 1, "type": "unrelated", "role": "distractor", "text": "Roughly 19% of practitioners say they prefer artifact crate over buria... | [2, 4, 5] | [0, 1, 3] | [[5, 2], [2, 4]] | {"subject": "ruined temple wall", "driver": "exposure to air", "mechanism": "mineral leaching", "outcome": "preserve remarkably well", "threshold": 84, "unit": "years"} |
gci-04883 | archaeology | Archaeology | A | easy | Why does the ancient pottery shard preserve remarkably well once the sediment pressure passes 42%? | Crossing 42% of sediment pressure triggers oxidation buildup, which causes the ancient pottery shard to preserve remarkably well. | Because of this, the ancient pottery shard will preserve remarkably well. The ancient pottery shard starts to change once the sediment pressure passes 42%. An excavation in Pompeii hosts an annual event celebrating artifact crate every quarter. Some ancient cities remained buried and undiscovered for over a thousand ye... | [{"id": 0, "type": "related", "role": "consequence", "text": "Because of this, the ancient pottery shard will preserve remarkably well.", "charStart": 0, "charEnd": 73}, {"id": 1, "type": "related", "role": "premise", "text": "The ancient pottery shard starts to change once the sediment pressure passes 42%.", "charStar... | [0, 1] | [2, 3] | [[1, 0]] | {"subject": "ancient pottery shard", "driver": "sediment pressure", "mechanism": "oxidation buildup", "outcome": "preserve remarkably well", "threshold": 42, "unit": "%"} |
gci-04884 | archaeology | Archaeology | B | medium | How did the difference in sediment pressure cause one sample of fossil bed to end up collapsing without support sooner? | The higher sediment pressure sped up oxidation buildup, so that sample reached the point of collapsing without support sooner. | That sample ended up collapse without support well before the other one did. An excavation in Petra hosts an annual event celebrating field journal every month. The sample with more sediment pressure showed noticeably faster oxidation buildup. Two samples of fossil bed were compared, one with a much higher sediment pre... | [{"id": 0, "type": "related", "role": "consequence", "text": "That sample ended up collapse without support well before the other one did.", "charStart": 0, "charEnd": 76}, {"id": 1, "type": "unrelated", "role": "distractor", "text": "An excavation in Petra hosts an annual event celebrating field journal every month.",... | [0, 2, 3] | [1, 4, 5] | [[3, 2], [2, 0]] | {"subject": "fossil bed", "driver": "sediment pressure", "mechanism": "oxidation buildup", "outcome": "collapse without support", "threshold": 41, "unit": "cm"} |
gci-04885 | archaeology | Archaeology | C | medium | What causes the burial mound layer to gradually preserve remarkably well after repeated exposure to sediment pressure? | Repeated exposure to sediment pressure keeps driving structural weakening, and the buildup eventually makes the burial mound layer preserve remarkably well. | Over time, repeated exposure to sediment pressure slowly affects the burial mound layer. archaeologist Dr. Diego Alvarez once wrote a well-known guide about site tent back in the 1950s. Artifact crate is usually kept near an excavation in Petra, though that has nothing to do with how the subject of the story actually b... | [{"id": 0, "type": "related", "role": "premise", "text": "Over time, repeated exposure to sediment pressure slowly affects the burial mound layer.", "charStart": 0, "charEnd": 88}, {"id": 1, "type": "unrelated", "role": "distractor", "text": "archaeologist Dr. Diego Alvarez once wrote a well-known guide about site tent... | [0, 4, 5] | [1, 2, 3] | [[0, 4], [4, 5]] | {"subject": "burial mound layer", "driver": "sediment pressure", "mechanism": "structural weakening", "outcome": "preserve remarkably well", "threshold": 36, "unit": "years"} |
gci-04886 | archaeology | Archaeology | D | easy | Why does a sudden spike in excavation depth make the excavation trench wall crumble upon exposure to air so quickly? | A spike in excavation depth immediately sets off structural weakening, which is fast enough to make the excavation trench wall crumble upon exposure to air almost instantly. | A dig site in Luxor hosts an annual event celebrating survey stake every year. archaeologist Dr. Diego Alvarez once wrote a well-known guide about excavation brush back in the 1990s. The visible result is that the excavation trench wall will crumble upon exposure to air within moments. When excavation depth suddenly sp... | [{"id": 0, "type": "unrelated", "role": "distractor", "text": "A dig site in Luxor hosts an annual event celebrating survey stake every year.", "charStart": 0, "charEnd": 78}, {"id": 1, "type": "unrelated", "role": "distractor", "text": "archaeologist Dr. Diego Alvarez once wrote a well-known guide about excavation bru... | [2, 3] | [0, 1] | [[3, 2]] | {"subject": "excavation trench wall", "driver": "excavation depth", "mechanism": "structural weakening", "outcome": "crumble upon exposure to air", "threshold": 30, "unit": "cm"} |
gci-04887 | archaeology | Archaeology | E | medium | Under what condition does the ruined temple wall preserve remarkably well, and why does that threshold matter? | The ruined temple wall stays stable until exposure to air exceeds 80cm, at which point structural weakening takes over and causes it to preserve remarkably well. | Survey stake is usually kept near an excavation in Petra, though that has nothing to do with how the subject of the story actually behaves. Roughly 66% of practitioners say they prefer field journal over ancient pottery shard just for everyday convenience. This is why the ruined temple wall only tends to preserve remar... | [{"id": 0, "type": "unrelated", "role": "distractor", "text": "Survey stake is usually kept near an excavation in Petra, though that has nothing to do with how the subject of the story actually behaves.", "charStart": 0, "charEnd": 139}, {"id": 1, "type": "unrelated", "role": "distractor", "text": "Roughly 66% of pract... | [2, 3, 5] | [0, 1, 4] | [[5, 3], [3, 2]] | {"subject": "ruined temple wall", "driver": "exposure to air", "mechanism": "structural weakening", "outcome": "preserve remarkably well", "threshold": 80, "unit": "cm"} |
gci-04888 | archaeology | Archaeology | F | medium | Describe the feedback loop through which the stone tool edge accelerates toward preserve remarkably well. | Mineral leaching in the stone tool edge raises groundwater level, and the higher groundwater level accelerates mineral leaching again, forming a loop that quickly leads it to preserve remarkably well. | That shift in groundwater level then speeds up mineral leaching even further. As mineral leaching occurs in the stone tool edge, it slightly shifts the nearby groundwater level. Many beginners lump field journal together with fossil bed, even though the two behave completely differently. This feedback loop is the reaso... | [{"id": 0, "type": "related", "role": "mechanism", "text": "That shift in groundwater level then speeds up mineral leaching even further.", "charStart": 0, "charEnd": 77}, {"id": 1, "type": "related", "role": "premise", "text": "As mineral leaching occurs in the stone tool edge, it slightly shifts the nearby groundwate... | [0, 1, 3] | [2, 4, 5] | [[1, 0], [0, 3]] | {"subject": "stone tool edge", "driver": "groundwater level", "mechanism": "mineral leaching", "outcome": "preserve remarkably well", "threshold": 66, "unit": "%"} |
gci-04889 | archaeology | Archaeology | A | hard | Why does the ruined temple wall require immediate stabilization once the temperature fluctuation passes 87years? | Crossing 87years of temperature fluctuation triggers structural weakening, which causes the ruined temple wall to require immediate stabilization. | Anyone monitoring the temperature fluctuation closely can predict almost exactly when the ruined temple wall will require immediate stabilization. The ruined temple wall starts to change once the temperature fluctuation passes 87years. site director Ines Bergstrom once wrote a well-known guide about survey stake back i... | [{"id": 0, "type": "related", "role": "supporting", "text": "Anyone monitoring the temperature fluctuation closely can predict almost exactly when the ruined temple wall will require immediate stabilization.", "charStart": 0, "charEnd": 146}, {"id": 1, "type": "related", "role": "premise", "text": "The ruined temple wa... | [0, 1, 3, 5] | [2, 4, 6, 7] | [[1, 5], [5, 3], [3, 0]] | {"subject": "ruined temple wall", "driver": "temperature fluctuation", "mechanism": "structural weakening", "outcome": "require immediate stabilization", "threshold": 87, "unit": "years"} |
gci-04890 | archaeology | Archaeology | B | hard | How did the difference in soil acidity cause one sample of burial mound layer to end up collapsing without support sooner? | The higher soil acidity sped up sediment compaction, so that sample reached the point of collapsing without support sooner. | The sample with more soil acidity showed noticeably faster sediment compaction. Two samples of burial mound layer were compared, one with a much higher soil acidity than the other. conservator Priya Anand once wrote a well-known guide about dig permit back in the 2010s. Researchers noted the gap in soil acidity was the... | [{"id": 0, "type": "related", "role": "mechanism", "text": "The sample with more soil acidity showed noticeably faster sediment compaction.", "charStart": 0, "charEnd": 79}, {"id": 1, "type": "related", "role": "premise", "text": "Two samples of burial mound layer were compared, one with a much higher soil acidity than... | [0, 1, 3, 5] | [2, 4, 6, 7] | [[1, 0], [0, 5], [5, 3]] | {"subject": "burial mound layer", "driver": "soil acidity", "mechanism": "sediment compaction", "outcome": "collapse without support", "threshold": 21, "unit": "years"} |
gci-04891 | archaeology | Archaeology | C | easy | What causes the burial mound layer to gradually preserve remarkably well after repeated exposure to excavation depth? | Repeated exposure to excavation depth keeps driving mineral leaching, and the buildup eventually makes the burial mound layer preserve remarkably well. | Eventually the accumulated change makes the burial mound layer preserve remarkably well. Over time, repeated exposure to excavation depth slowly affects the burial mound layer. Ancient Egyptians used natron salt in the mummification process. Many beginners lump survey stake together with stone tool edge, even though th... | [{"id": 0, "type": "related", "role": "consequence", "text": "Eventually the accumulated change makes the burial mound layer preserve remarkably well.", "charStart": 0, "charEnd": 88}, {"id": 1, "type": "related", "role": "premise", "text": "Over time, repeated exposure to excavation depth slowly affects the burial mou... | [0, 1] | [2, 3] | [[1, 0]] | {"subject": "burial mound layer", "driver": "excavation depth", "mechanism": "mineral leaching", "outcome": "preserve remarkably well", "threshold": 83, "unit": "cm"} |
gci-04892 | archaeology | Archaeology | D | medium | A sudden spike in excavation depth causes the fossil bed to collapse without support. Explain why it happens so rapidly. | A spike in excavation depth immediately sets off mineral leaching, which is fast enough to make the fossil bed collapse without support almost instantly. | The visible result is that the fossil bed will collapse without support within moments. The rapid change sets off mineral leaching, which spreads quickly through the fossil bed. Regulatory frameworks in some regions mandate regular assessment of these conditions. Interdisciplinary research teams have made significant p... | [{"id": 0, "type": "related", "role": "consequence", "text": "The visible result is that the fossil bed will collapse without support within moments.", "charStart": 0, "charEnd": 87}, {"id": 1, "type": "related", "role": "mechanism", "text": "The rapid change sets off mineral leaching, which spreads quickly through the... | [0, 1, 5] | [2, 3, 4] | [[5, 1], [1, 0]] | {"subject": "fossil bed", "driver": "excavation depth", "mechanism": "mineral leaching", "outcome": "collapse without support", "threshold": 61, "unit": "years"} |
gci-04893 | archaeology | Archaeology | E | medium | At what threshold of groundwater level does the ancient pottery shard begin to crumble upon exposure to air, and why is crossing that value critical? | The ancient pottery shard stays stable until groundwater level exceeds 49years, at which point organic decay takes over and causes it to crumble upon exposure to air. | A dig near Xi'an hosts an annual event celebrating dig permit every decade. This is why the ancient pottery shard only tends to crumble upon exposure to air after groundwater level exceeds 49years. Many beginners lump field journal together with fossil bed, even though the two behave completely differently. But once th... | [{"id": 0, "type": "unrelated", "role": "distractor", "text": "A dig near Xi'an hosts an annual event celebrating dig permit every decade.", "charStart": 0, "charEnd": 75}, {"id": 1, "type": "related", "role": "consequence", "text": "This is why the ancient pottery shard only tends to crumble upon exposure to air after... | [1, 3, 4] | [0, 2, 5] | [[4, 3], [3, 1]] | {"subject": "ancient pottery shard", "driver": "groundwater level", "mechanism": "organic decay", "outcome": "crumble upon exposure to air", "threshold": 49, "unit": "years"} |
gci-04894 | archaeology | Archaeology | F | hard | Explain the feedback loop that causes the stone tool edge to rapidly require immediate stabilization. | Structural weakening in the stone tool edge raises groundwater level, and the higher groundwater level accelerates structural weakening again, forming a loop that quickly leads it to require immediate stabilization. | Once the loop begins, it becomes difficult to stop the stone tool edge from continuing toward require immediate stabilization rapidly. Roughly 61% of practitioners say they prefer field journal over fossil bed just for everyday convenience. site director Ines Bergstrom once wrote a well-known guide about survey stake b... | [{"id": 0, "type": "related", "role": "supporting", "text": "Once the loop begins, it becomes difficult to stop the stone tool edge from continuing toward require immediate stabilization rapidly.", "charStart": 0, "charEnd": 134}, {"id": 1, "type": "unrelated", "role": "distractor", "text": "Roughly 61% of practitioner... | [0, 3, 6, 7] | [1, 2, 4, 5] | [[7, 6], [6, 3], [3, 0]] | {"subject": "stone tool edge", "driver": "groundwater level", "mechanism": "structural weakening", "outcome": "require immediate stabilization", "threshold": 37, "unit": "meters"} |
gci-04895 | archaeology | Archaeology | A | easy | Why does the ruined temple wall lose its original color once the soil acidity passes 45meters? | Crossing 45meters of soil acidity triggers structural weakening, which causes the ruined temple wall to lose its original color. | Roughly 14% of practitioners say they prefer dig permit over burial mound layer just for everyday convenience. The ruined temple wall starts to change once the soil acidity passes 45meters. Because of this, the ruined temple wall will lose its original color. Many artifacts are first found by accident during constructi... | [{"id": 0, "type": "unrelated", "role": "distractor", "text": "Roughly 14% of practitioners say they prefer dig permit over burial mound layer just for everyday convenience.", "charStart": 0, "charEnd": 110}, {"id": 1, "type": "related", "role": "premise", "text": "The ruined temple wall starts to change once the soil ... | [1, 2] | [0, 3] | [[1, 2]] | {"subject": "ruined temple wall", "driver": "soil acidity", "mechanism": "structural weakening", "outcome": "lose its original color", "threshold": 45, "unit": "meters"} |
gci-04896 | archaeology | Archaeology | B | easy | How did the difference in soil acidity cause one sample of stone tool edge to end up lose its original color sooner? | The higher soil acidity sped up mineral leaching, so that sample reached the point of lose its original color sooner. | An excavation in Petra hosts an annual event celebrating dig permit every season. That sample ended up lose its original color well before the other one did. Many beginners lump excavation brush together with ruined temple wall, even though the two behave completely differently. Two samples of stone tool edge were comp... | [{"id": 0, "type": "unrelated", "role": "distractor", "text": "An excavation in Petra hosts an annual event celebrating dig permit every season.", "charStart": 0, "charEnd": 81}, {"id": 1, "type": "related", "role": "consequence", "text": "That sample ended up lose its original color well before the other one did.", "c... | [1, 3] | [0, 2] | [[3, 1]] | {"subject": "stone tool edge", "driver": "soil acidity", "mechanism": "mineral leaching", "outcome": "lose its original color", "threshold": 64, "unit": "meters"} |
gci-04897 | archaeology | Archaeology | C | easy | What causes the burial mound layer to gradually reveal a hidden layer beneath after repeated exposure to sediment pressure? | Repeated exposure to sediment pressure keeps driving oxidation buildup, and the buildup eventually makes the burial mound layer reveal a hidden layer beneath. | Many beginners lump dig permit together with stone tool edge, even though the two behave completely differently. Over time, repeated exposure to sediment pressure slowly affects the burial mound layer. Eventually the accumulated change makes the burial mound layer reveal a hidden layer beneath. A dig site in Luxor host... | [{"id": 0, "type": "unrelated", "role": "distractor", "text": "Many beginners lump dig permit together with stone tool edge, even though the two behave completely differently.", "charStart": 0, "charEnd": 112}, {"id": 1, "type": "related", "role": "premise", "text": "Over time, repeated exposure to sediment pressure sl... | [1, 2] | [0, 3] | [[1, 2]] | {"subject": "burial mound layer", "driver": "sediment pressure", "mechanism": "oxidation buildup", "outcome": "reveal a hidden layer beneath", "threshold": 67, "unit": "meters"} |
gci-04898 | archaeology | Archaeology | D | easy | Why does a sudden spike in exposure to air make the fossil bed lose its original color so quickly? | A spike in exposure to air immediately sets off mineral leaching, which is fast enough to make the fossil bed lose its original color almost instantly. | When exposure to air suddenly spikes, the fossil bed reacts almost immediately. Field journal is usually kept near a research site in Crete, though that has nothing to do with how the subject of the story actually behaves. The visible result is that the fossil bed will lose its original color within moments. field assi... | [{"id": 0, "type": "related", "role": "premise", "text": "When exposure to air suddenly spikes, the fossil bed reacts almost immediately.", "charStart": 0, "charEnd": 79}, {"id": 1, "type": "unrelated", "role": "distractor", "text": "Field journal is usually kept near a research site in Crete, though that has nothing t... | [0, 2] | [1, 3] | [[0, 2]] | {"subject": "fossil bed", "driver": "exposure to air", "mechanism": "mineral leaching", "outcome": "lose its original color", "threshold": 70, "unit": "cm"} |
gci-04899 | archaeology | Archaeology | E | easy | At what threshold of exposure to air does the stone tool edge begin to crumble upon exposure to air, and why is crossing that value critical? | The stone tool edge stays stable until exposure to air exceeds 41meters, at which point oxidation buildup takes over and causes it to crumble upon exposure to air. | Many beginners lump site tent together with burial mound layer, even though the two behave completely differently. If exposure to air stays below 41meters, the stone tool edge remains stable. This is why the stone tool edge only tends to crumble upon exposure to air after exposure to air exceeds 41meters. Radiocarbon d... | [{"id": 0, "type": "unrelated", "role": "distractor", "text": "Many beginners lump site tent together with burial mound layer, even though the two behave completely differently.", "charStart": 0, "charEnd": 114}, {"id": 1, "type": "related", "role": "premise", "text": "If exposure to air stays below 41meters, the stone... | [1, 2] | [0, 3] | [[1, 2]] | {"subject": "stone tool edge", "driver": "exposure to air", "mechanism": "oxidation buildup", "outcome": "crumble upon exposure to air", "threshold": 41, "unit": "meters"} |
gci-04900 | archaeology | Archaeology | F | easy | Describe the feedback loop through which the stone tool edge accelerates toward require immediate stabilization. | Organic decay in the stone tool edge raises excavation depth, and the higher excavation depth accelerates organic decay again, forming a loop that quickly leads it to require immediate stabilization. | This feedback loop is the reason the stone tool edge rapidly require immediate stabilization. As organic decay occurs in the stone tool edge, it slightly shifts the nearby excavation depth. Dig permit is usually kept near an excavation in Petra, though that has nothing to do with how the subject of the story actually b... | [{"id": 0, "type": "related", "role": "consequence", "text": "This feedback loop is the reason the stone tool edge rapidly require immediate stabilization.", "charStart": 0, "charEnd": 93}, {"id": 1, "type": "related", "role": "premise", "text": "As organic decay occurs in the stone tool edge, it slightly shifts the ne... | [0, 1] | [2, 3] | [[1, 0]] | {"subject": "stone tool edge", "driver": "excavation depth", "mechanism": "organic decay", "outcome": "require immediate stabilization", "threshold": 22, "unit": "years"} |
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