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Discussion :: World Geography

  1. The part of the earth and thin layer of air above its surface, which support life on earth, are referred to as

  2. A.

     stratosphere

    B.

     ionosphere

    C.

     biosphere

    D.

     mesosphere

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    Answer : Option C

    Explanation :

    The part of the earth and thin layer of air above its surface, which support life on earth, are referred to as biosphere.


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