Oceans
Approximately how long can a sperm whale stay underwater on a single breath?
More Questions from Oceans
What did early ocean scientists use to measure the distance to the ocean floor?
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Which North Pole ocean is almost always totally frozen?
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In what year did the International Whaling Commission declare blue whales to be a protected species because of a huge decrease in their population?
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What surface rock comprises the majority of the Earth's crust in the area beneath the oceans?
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What keeps the salinity of the ocean the same throughout the year?
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Which of the following is not a nickname for the beluga whale?
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