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Air Pollution

Air Pollution
air-pollution

The contamination of pure air with impure and unwanted substances is called Air Pollution.The unwanted and impure substances are known as  pollutants.The air we breathe contains a lot of pollutants such as sulphur dioxide,nitrogen oxides,carbon monoxide etc.The air gets polluted due to various human activities like burning of fossil fuel,from exhaust fumes,from petrol,exhaust of motor cars and factories,from burning oil and wood,burning coal in large industries and steam engines etc 

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