Science, asked by s1674tannu9720, 4 months ago

explain the difference between clean air and polluted air​

Answers

Answered by samarthcv
1

Answer:

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.

Answered by anand754086
1

Answer:

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.

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