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3rd Class Science Sample Paper Science Olympiad Model Test Paper-15

  • question_answer
    Which of the following activities pollutes the environment? 1.      2. 3.    4.

    A) Only 1              

    B) 2 and 4

    C) 1, 2 and 3         

    D) 1 and 3

    E) None of these

    Correct Answer: C

    Solution :

    Not Available  


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