Science, asked by rajnikumari913533, 6 months ago

different between pure air and polluted air

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Answered by bhrithi215

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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Answered by kkamlesh01975

Answer:

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different between pure air and polluted air ​

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different between pure air and polluted air