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Discussion :: Environmental Science

  1. _________ is the phenomenon where the earth retains heat.

  2. A.

     Air pollution

    B.

     Green house effect

    C.

     Global effect

    D.

     Land pollution

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    Answer : Option B

    Explanation :

    The greenhouse effect is one of the main factors determining the temperature of a planet. It's the phenomenon by which certain gases – so-called greenhouse gases – in the atmosphere trap heat that would otherwise escape to space, thereby keeping the planet warm.


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