Sunday, June 20, 2010

air pollution


The pollution of air causes by unnecessary acivites of man is called air pollution. It is caused by harmful smoke comes from industries, old vehicals,etc. The harmful smoke like carbondioxide, sulphure dioxide mix with air .It causes air borne disease. Like common cold, chicken pox, etc. It also causes ozone layer depletionand green house effect.When we breath in polluted air we should suffer from different disease.Through this polluted air different types of disease is spreading.Different types of unknown disease is coming from our neibour country. we should stop this kind of pollution. we should start awerness programme. we should give education to nnpeople.

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