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The ocean is one of Earth's most valuable Natural Resources. It provides food in the form of fish and shellfish-about 200 billion pounds are caught each year. It's used for transportation-both travel and shipping. It provides a treasured source of recreation for humans. It is mined for minerals (salt, sand, gravel, and some manganese, copper, nickel, iron, and cobalt can be found in the deep sea) and drilled for crude oil.

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14y ago

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