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UPSC General Studies Sample Paper General Studies Sample Paper-6

  • question_answer
    The increasing amount of carbon dioxide in the air is slowly raising the temperature of the atmosphere, because it absorbs           

    A)  the water vapour of the air and retains its heat

    B)  the terrestrial radiation emitted by the Earth

    C)  all the solar radiations

    D)  the infrared part of the solar radiation

    Correct Answer: B

    Solution :

    [b]\[C{{O}_{2}}\]absorbs the terrestrial radiation emitted by the Earth and causes global warming. The heat energy reflected and released from the Earth is absorbed by the molecule of\[C{{O}_{2}}\]which goes into an excited unstable state. The amount of \[C{{O}_{2}}\]is increasing and causing global warming which causes the glaciers to melt.


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