Wednesday, 12 August 2015

AIR POLLUTINN

AIR POLLUTION


As the number of vehicles and industrial units increase, air pollution increases.This is because of the burning of fuels like coal ,petrol or disel in vehicel and factories.The smoke from these vehicles and factories is released into the air making .It dirty and unfoit for brething.Gases like carbon dioxide and methane from industrial units also mix with the air and pollution it. 

 
 AIR POLLUTION
                      

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