Oceans

How many chambers does a fish heart have?

More Questions from Oceans
What is a large body of salt water, usually connected to an ocean?
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What percentage of Earth's volcanic activity occurs on the ocean floor?
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Which U.S. state has "The Ocean State" as its nickname?
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What special sense do some whales and dolphins use to hear underwater?
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What was the largest oil spill in terms of volume in the 20th century?
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Daintree Reef in Australia was named after what geologist?
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What keeps the salinity of the ocean the same throughout the year?
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Which ocean is India closest to?
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