Answers

  • Brainly User
2014-11-02T20:16:41+05:30
Air pollution occurs when the air contains gases, dust, fumes or odour in harmful amounts. That is, amounts which could be harmful to the health or comfort of humans and animals or which could cause damage to plants and materials. Air pollution is caused by harmful gases such as carbon dioxidesulphur dioxidenitrogen dioxide carbon monoxide and very small particles of carbon. Most of the pollution is caused by factories, vehicles etc
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2014-11-02T20:19:07+05:30
any significant increase in the amount of carbon dioxide and presence of other harmful gases like carbon monoxide  , sulphur dioxide , chloroflurocarbons , smoke , dust and soot in air , is known as air pollution.these harmful substances present in air are known as air pollutants.

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