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About of all active volcanoeso the world the water in the pacific Rim |
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Answer» Explanation: If an ESTIMATE of 4,000 volcanoes PER million square kilometers on the floor of the PACIFIC Ocean is EXTRAPOLATED for all the oceans than there are more than a million submarine (underwater) volcanoes. PERHAPS as many as 75,000 of these volcanoes rise over half a mile (1 kilometer) above the ocean floor |
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