Term
What did Abraham Ortelius contribute to plate tectonics? |
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Definition
he proposed that North America and South America had been separated from Europe and Africa by earthquakes and floods |
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Term
What did Alfred Wegener contribute to plate tectonics? |
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Definition
he developed the idea of continental drift. |
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Term
What did Harry H. Hess contribute to plate tectonics? |
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Definition
he laid the foundation for the plate tectonics theory with the seafloor spreading hypothesis. |
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Term
What instrument is used to detect earthquakes? |
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Definition
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