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• 06NOV
  OCEANS

  OCEANS

  An ocean is a major body of saline water, and a component of the hydrosphere. Approximately 71% of the Earth s surface an area of some 362 million square kilometers is covered by ocean...

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  water, pacific, atlantic
• 24ABR
  THE GLOBAL WARMING

  The Global Warming

  GLOBAL WARMING GLOBAL WARMING AND ITS CONSEQUENCES Since the late nine teen th century, scientists have observed a gradual increase in average surface temperature the planet. This increase is estimated to have been between 0. 5 F and 1. 0 F...

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  global, warming