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Oceans
What did early ocean scientists use to measure the distance to the ocean floor?
Oceans
What did early ocean scientists use to measure the distance to the ocean floor?
Weighted Ropes
Airplanes
Whale Song
A Diver
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What 300+ island Pacific archipelago was formed entirely from volcanoes?
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Pufferfish and boxfish are deadly to humans because of the presence of what poison in their skin and organs?
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Mar del Plata is an Argentine city on the coast of what ocean?
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Mauritania borders which ocean?
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What name refers to trips across the Atlantic Ocean?
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What is the uppermost ocean zone?
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What part of kelp holds it to the ocean floor beneath it?
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