Oceans

About how many million tons of salt are obtained from the ocean each year?

More Questions from Oceans
Which animal spawns in fresh water but lives most of its life in the sea?
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Which lake is the second largest in the world?
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What instrument uses sound waves to help get a picture of the ocean's bottom?
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What does ocean thermal gradient mean?
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What ocean is off the west coast of the United States?
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What is the smallest ocean on earth?
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What South American fish can generate a 600-volt shock?
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How many engines did the Titanic have?
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