The correct option is D All of theseGreen house gases (e.g. #160;CO _2 , #160;CH _2 , CFCs etc.) are increasing in the atmosphere due to human and n ...

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Standard IX

Physics

Global Warming

Greenhouse ga...

Question

Greenhouse gases are

_{2}

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_{4}

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CFC

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All of these

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Solution

The correct option is D All of these
Green house gases (e.g. CO $_{2}$ , CH $_{2}$ , CFCs etc.) are increasing in the atmosphere due to human and natural activities. These gases trap the heat(infra-red radiation) reflected by the earth. This heats up the atmosphere(leads to an increase in earth's temperature). This phenomenon is called global warming which occurs due to green house effect.

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and

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