Oceans

How many chambers do the hearts of sperm whales have?

More Questions from Oceans
Which of these contains the deepest point in the Pacific ocean?
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What is a cataract in a river?
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The pool at the foot of a small water-fall in a river is called what?
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What is the area in the ocean that can never be touched by sunlight called?
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Which of these is not an ocean?
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Where on the Earth would oceans be warmer?
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How long did it take Columbus to cross the Atlantic?
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Which ocean lies between North America and Europe?
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