Oceans

In what way do porpoises differ from dolphins?

More Questions from Oceans
For a storm to be called a hurricane it must reach wind speeds of what?
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What fraction of the Earth do oceans cover?
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Which U.S. state has "The Ocean State" as its nickname?
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What two natural predators are known to prey on beluga whales other than humans hunting them?
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What does the beluga whales name mean in Russian?
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What is a colorful fish that lives among sea anemone?
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What is the length of the Caspian Sea?
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Where would you find lakes called QianHai, BeiHai and HouHai?
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