Question

what are primary source of pollution​

Answer 1

Answer:

the primary source of pollution is factories the smoke obtained from factories are very dangerous and vehicles also which pollutes air

Answer 2

Primary pollutants can be emitted from many sources including cars, coal-fired power plants, natural gas power plants, biomass burning, natural forest fires, volcanoes, and many more. The effects of primary pollutants are of concern as they can be harmful to humans, animals and plants

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