Oceans

What percentage of our oxygen supply is generated in the ocean?

More Questions from Oceans
What ocean borders Japan to the east?
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How many chambers do the hearts of sperm whales have?
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What is the highest speeds dolphins have been known to attain?
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What was the largest oil spill in terms of volume in the 20th century?
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About what percent of all volcanic activity on Earth happens in the ocean?
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Into which ocean do most Chinese rivers empty?
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Which ship was the nearest to the Titanic when the ship sank?
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Coral, the largest component of reefs, is most like what type of organism?
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