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Showing posts from November, 2010

Oceans

There are five oceans on Earth and they cover more than two-thirds of the world's surface.The Pacific Ocean is the largest ocean.The oceans have a significant effect on the biosphere.Oceanic evaporation is the source of most rainfall and ocean temperatures determine climate and wind patterns that effect life on land.Pollution in the oceans is a major problem these days.Pollution in the ocean directly effects ocean organisms and indirectly effects human health and resources.We should protect the oceans from all kinds of pollution.