Oceans

How many chambers do the hearts of sperm whales have?

More Questions from Oceans
The Amazon River empties in to which of these oceans?
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What is the largest island in the Indian Ocean?
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What ocean did European explorers cross to get to the New World?
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At what age do whales reach reproductive maturity?
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Which state, although widely known for seafood, only has eight miles of Atlantic Ocean coastline?
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In what way do porpoises differ from dolphins?
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A finless porpoise takes its name from a near-complete lack of which fin?
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Which is not a kind of boat or ship?
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