UPSC Geography Atmosphere Question Bank Atmosphere

  • question_answer Which of the following statements is/are correct?     [NDA/NA 2013-I]
    1. Air close to the Earth's surface is heavier
    2. Air close to the Earth's surface contains large quantity of water vapour and dust particles.
    Select the correct answer using the code given below:  

    A)  1 only

    B)  2 only

    C)  Both 1 and 2

    D)  Neither 1 nor 2

    Correct Answer: C

    Solution :

     At higher altitude air is lighter while close to earth surface its heavier In Troposphere the dust particles and water is more than upper layer.


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