Question

What is air pollution?

Answer 1

the presence in or introduction into the air of a substance which has harmful or poisonous effects.

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Answer 2

Answer:

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What is air pollution?

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When air is contaminated by unwanted substances which have a harmful effect on both the living and the non - living, it is referred to as air pollution.

More to know:-

• The substances which contaminate the air are called air pollutants.

• Sometimes, such substances may come from natural sources like smoke and dust arising from forest fires or volcanic eruptions.

• Pollutants are also added to the atmosphere by certain human activities.

• The sources of Air pollutants are factories, power plants, automobile exhausts and burning of firewood and dung cakes.

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