Question

explain the difference between pure air and polluted air​

Answer 1

Pure air is free from germs and harmful gases. It contains 78% nitrogen, 21% oxygen and small amount of other gases and dust particles. Polluted air contains harmful gases and unwanted substances which can cause harmful diseases.

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Answer 2

Explanation:

pure air - Pure air contains nitrogen, oxygen and small amounts of other gases.

polluted air - Polluted air contains harmful gases and unwanted substances.

Air pollution is a mixture of solid particles and gases in the air.When ozone forms air pollution, it's also called smog. Some air pollutants are poisonous.