The Pacific Ocean has an average depth of 2.4 miles (3.9 kilometers).

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Temperate rainforests used to exist on almost every continent in the world, but today only 50 percent - 75 million acres - of these forests remain worldwide.

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Knowing oceanography can enhance the conditions for trade, communications, and defense.

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The ocean holds immense quantities of protein. The total annual commercial harvest from the seas exceeds 85 million metric tons. Fish is the biggest source of wild or domestic protein in the world.

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A cucumber is 96% water.

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The volume of the Earth's moon is the same as the volume of the Pacific Ocean.

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There are two types of elephant, the Asian elephant and the African elephant (although sometimes the African Elephant is split into two species, the African Forest Elephant and the African Bush Elephant).

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One-tenth of the Earth's surface is always under the cover of ice. And almost 90 per cent of that ice is to be found in the continent of Antarctica.

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Birth Rate of Hong Kong is the lowest (7.29/1000) & Niger is highest (50.73/1000).

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The monarch butterfly's sense of taste is about 12,000 times more sensitive than a human's.

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