Part - 2 CH - 9 Geographical Perspective on Selected Issues and Problems — Geography STD 12 Humanities & Commerce — Question
Rajasthan BoardEnglish MediumSTD 12 Humanities & CommerceGeographyPart - 2 CH - 9 Geographical Perspective on Selected Issues and Problems3 Marks
Question
Describe the major source of air pollution.
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Answer
Combustion of coal, petrol and diesel, industrial processes, solid waste disposal, sewage disposal, etc. are the major sources of air pollution because they add oxides of sulfur, oxides of nitrogen, carbon monoxide, hydro-carbons, ammonia, lead aldehydes, asbestos and helium in the atmosphere.
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