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Discussion :: World Environment and Ecology

  1. The Biosphere is a region of earth which supports life. It includes- 1.Hydrosphere, 2.Lithosphere, 3.Stratosphere, 4.Troposphere

    2. A.

     1 and 3
    B.

     1,2 and 4
    C.

     1 and 4
    D.

     2,3 and 4

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    Answer : Option B

    Explanation :

    The Biosphere is a region of earth which supports life. It includes Hydrosphere, Lithosphere and Troposphere. Life on earth is found in seas, oceans (water);on land surface (crust) & in air. These 3 combined together to form biosphere.

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