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NEET Biology Organisms and population Question Bank Critical Thinking Questions

  • question_answer
    If there was no\[C{{O}_{2}}\]in the earth's atmosphere, the temperature of earth's surface would be [CBSE PMT 1998]

    A) As such

    B) Less than the present level

    C) Increase from present level

    D) Dependent upon oxygen amount of the environment

    Correct Answer: B

    Solution :

    \[C{{O}_{2}}\]Layer around earth surface acts as insulator and does not allow heat of the earth to escape into space thus keeping the earth warm.


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