Oceans
The "Ring of Fire" is a string of volcanoes in and around what ocean?
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A large number of islands referred to collectively is a what?
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What did early ocean scientists use to measure the distance to the ocean floor?
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What keeps the salinity of the ocean the same throughout the year?
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What is a smaller river or stream that flows into a larger river or stream?
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The Bering Strait lies between which two continents?
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Which underwater machine helps humans travel around beneath the surface of the ocean?
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Which of the following body parts does the bowhead whale not have?
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What fish is named for its long, sharp, toothless jaw?
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A wave form that moves forward with a steady velocity is called what?
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