Part - 2 CH - 9 Geographical Perspective on Selected Issues and Problems — Geography STD 12 Humanities — Question
CBSE BoardEnglish MediumSTD 12 HumanitiesGeographyPart - 2 CH - 9 Geographical Perspective on Selected Issues and Problems3 Marks
Question
Describe the sources of air pollution in India.
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Answer
Air Pollution: Increased concentration of contaminants like dust, fumes, gas, odour and smoke in the air causes pollution. This concentration may be harmful to flora, fauna and to property. Sources of Air Pollution:
Increased use of variety of fuels such as coal, petrol and diesel.
Increased emission of toxic gases from industrial activities into the atmosphere.
Mining activities release the dusts which pollute the air.
Important pollutants are oxide of sulphur and nitrogen, hydrocarbons, carbon dioxide, carbon monoxide, lead andasbestos
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