Science, asked by rajnikumari913533, 5 months ago

different between pure air and polluted air ​

Answers

Answered by bhrithi215
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

Explanation:

Answered by kkamlesh01975
1

Answer:

hope u liked it.good day

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