Thursday 20 August 2015

DEFINITION OF GLOBAL WARMING


www.google.com
GLOBAL WARMING
      It refers to the gradual increase in the overall temperature of the  earth’s atmosphere generally attributed to the greenhouse effect caused  by increased levels of carbondioxide,chlorofluorocarbon,
And other pollutants.
   It is also the increase of the earth’s average surface temperature due to the effect of greenhouse gases such as carbondioxide emissions from earth burning fossil fuels or from deforestation,


  

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