Flag 8 grade science> Explain the differences between pure air ...
question mark

Explain the differences between pure air and polluted air.

Pawan Prajapati , 4 Years ago
Grade 12
anser 1 Answers
Harshit Singh

Last Activity: 4 Years ago

Dear Student

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.

​Thanks

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