Oceans

What surface rock comprises the majority of the Earth's crust in the area beneath the oceans?

More Questions from Oceans
What was the largest oil spill in terms of volume in the 20th century?
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What famous ship sank to the bottom of the Atlantic Ocean in 1912?
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Which of the following has the largest head of any animal?
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The giant triton is a marine snail that can reach what size?
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The Bering Strait is named for what Danish-born explorer?
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What is the term for the Earth's crust where it underlies oceans?
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What percent of the ocean is salt?
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How many collapsible lifeboats did the Titanic carry?
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