Question

INTRODUCTION OF AIR POLLUTION

Answer 1

Air pollution refers to the condition in which the existence of toxic substances in the atmosphere, generated by various human activities and natural phenomena such as volcanic eruptions, results in damaging effects on the welfare of human beings and the living environment" 
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Answer 2

Air pollution is the addition of air pollutants such as particulate matter,gases and vapours into the atmosphere has an adverse effect on humans animals;vegetation and Human Assets.

It is of two types

1.Natural:(eg,forest fire,storm,dust)

2.Man made:(eg,vehicles,mining,stone crushing)

•Particulate air pollutants are also known as Suspended particulate matter or SPM ad they remain suspended in air for a good period of time.It contains smokes,fly ash and dust.

•Gases which cause air pollution are sulphur dioxide,carbon monoxide,hydrogen sulphide,nitrogen oxides,methane,chlorine and ammonia.