SSC Geography Sample Paper NCERT Sample Paper-1

  • question_answer
    Consider the following statements:
    1. Clouds generally reflect some of the sunlight in different directions and the rest is absorbed
    2. Nearly 90% of the water vapour lies below 12 km of the atmosphere
    3. Water vapour does not exceed 3 percent to 4 percent of total volume of air
    4. Nitrogen serves mainly as diluent and dissolver
    Which of the above statements is/are not correct?

    A)  1 and 2

    B)  2 and 3

    C)  3 only 

    D)  3 and 4

    Correct Answer: A

    Solution :

    [a] Below 12 km refers to area in the troposphere and the troposphere contains approximately 75% of the atmosphere's mass and 99% of its water vapour and aerosols. The average depth of the troposphere is approximately 17 km in the middle latitudes.

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