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Discussion :: Hydrosphere

  1. Consider the following statements:
    1. Temperature of surface water is comparatively higher in the northern hemisphere than in the southern hemisphere.
    2. The isotherms in the southern hemisphere are not regular and do not follow the latitudes while they (isotherms) are regular and follow the latitudes in the northern hemisphere.
    Which of the statement(s) given above is/are correct?

    2. A.

     1 only
    B.

     2 only
    C.

     Both 1 and 2
    D.

     Neither 1 nor 2

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    Answer : Option A

    Explanation :

    Temperature of surface water is comparatively higher in the northern hemisphere than in the southern hemisphere. The temperature of ocean water varies in the northern and the southern hemispheres because of dominance of land in the former and water in the latter. The oceans in the northern hemisphere receive more heat due to their contact with larger extent of land than their counterparts in the southern hemisphere and thus the temperature of surface water is comparatively higher in the former than the latter.

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