UPSC Geography Oceans and continents Question Bank Oceanography

  • question_answer Salinity of the ocean waters near the equator is low because of
    I. Heavy rainfall
    II. High rate of evaporation
    III. Huge quantities of water brought to oceans by the rivers

    A)  I and II are correct

    B)  II and III are correct

    C)  I and III are correct

    D)  I, II and III are correct

    Correct Answer: C

    Solution :

     When (he rate of evaporation is high, pure water evaporates, leaving behind the salt in the ocean water. Thus salinity increases when the rate of evaporation is high. Heavy rainfall and huge quantities of water brought to oceans by the rivers increase the ratio of fresh water and tend to decrease salinity near the equator.


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