explain the different between pure air and polluted air
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the air which do not consists of any pollutant is known as pure air
the air which consists of pollutants is known as polluted air
the air which consists of pollutants is known as polluted air
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Air is mixture of gases :-
-Pure air contains 78% Nitrogen,21% Oxygen,and small but definite amount of carbon dioxide,argon,methane,water vapour,ozone etc.
-When the air is contaminated by unwanted substance which have a harmful effect on both living and non living thing it is called polluted air.
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