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5th Class Science Pollution and Calamities Question Bank Pollution and Calamities

  • question_answer
    Which of the following is directly and indirectly related to air pollution?

    A)  Ecological imbalance                     

    B)  Green-house effect

    C)  Global warming                          

    D)  All of these

    Correct Answer: D

    Solution :

    (d) Not Available


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