Question

Explain the differences between pure air and polluted air.

Kr lugi but teko kya hua aajkal off rhti hai ?¿ ​

Answer 1

Answer:

Explain the differences between pure air and polluted air. ... 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.

Answer 2

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• 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.