Which of the following is not a source of air pollution?

Coal based power generation plants

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Forest

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Chemical factories

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Volcanoes

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Solution

The correct option is B
Forest

Fertilizer is not a source of air pollution. It causes water and soil pollution.

The sources of air pollution are:

i. Coal based power generation plants - Releases smoke and particulate matter which causes pollution.

ii. Chemical factories - Releases harmful chemicals in the form of smoke affecting the atmosphere.

iii. Volcanoes - Due to volcanic eruptions, large amounts of smoke, dust and various poisonous gases are released into the air causing pollution.

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Similar questions

Volcanoes and forest fires are natural sources of air pollution.

Factories, power plants, oil wells, etc. are called non-point sources of water pollution

	Column I (Pollutants)		Column II (Source)
(a)	Toxic heavy metals	(i)	Domestic sewage
(b)	Microorganisms	(ii)	Industries and chemical factories
(c)	Organic wastes	(iii)	Chemical fertilizers
(d)	Plant nutrients	(iv)	Discharge from food processing factories

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