Gujarat BoardEnglish MediumSTD 9ScienceNatural Resources3 Marks
Question
Explain natural and human-made sources of air pollution.
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Answer
Air pollution is of two main types:
Natural: It is the pollution caused by nature. It includes forest fires, dust storms, pollen etc.
Human made: It is the pollution caused by human activities. It includes burning of fossil fuels in industries, vehicles and thermoelectric plants, gaseous emission from industries, mining, processing and stone crushing.
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