8th Class Science Pollution of Air and Water Question Bank Pollution of Air and Water

  • question_answer
    Which of the following is due to global warming?
    (i) An increase in the water level in the sea
    (ii) The melting of snow on mountain peaks
    (iii) A decrease in food production by plants

    A)                  Only (i) and (ii)                

    B)                                         Only (ii) and (iii)                

    C)                                         Only (i) and (iii)                

    D)                                         (i), (ii) and (iii)                

    Correct Answer: D

    Solution :

    Due to global warming, there is (i) an increase in the water level in the sea, (ii) glaciers on mountain peaks melt due to increase of earth's temperature by 0.5° C and                 (iii) there is a decrease in food production by plants.                                


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