Oceans
What instrument uses sound waves to help get a picture of the ocean's bottom?
More Questions from Oceans
Which sea has so much salt that no fish can live there?
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What percentage of Earth's volcanic activity occurs on the ocean floor?
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What ocean did European explorers cross to get to the New World?
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Blue whales have an extremely loud call, approximately how loud measured in decibels?
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A whale's blubber serves as what purpose to the life and development of the mammal?
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The killer whale belongs to which one of these mammal families?
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The blowhole of a sperm whale is shaped like which of the following letters of the alphabet?
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