Oceans
How long did it take Columbus to cross the Atlantic?
More Questions from Oceans
Pufferfish and boxfish are deadly to humans because of the presence of what poison in their skin and organs?
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When consumed over long periods of time, ocean water causes what in humans?
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What is a high place from which rivers flow in all directions?
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The Amazon River empties in to which of these oceans?
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What did early ocean scientists use to measure the distance to the ocean floor?
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What would you call a long, snake-like fish that has circular gills?
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