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  4. Ecology And Environment

SSC Ecology And Environment Sample Paper NCERT Sample Paper-1

  • question_answer
    The lower most layer of atmosphere, in which mart and other living organisms exist, is called

    A) Mesosphere       

    B) Stratosphere

    C) Troposphere      

    D) Thermosphere

    Correct Answer: C

    Solution :

    The lower most layer of atmosphere, in which man and other living organisms exist, is called troposphere. It extends to about 8-16 km height from the earth surface. It contains more than 90 percent of gases of the atmosphere.


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