2nd Class EVS Sample Paper Science Olympiad Model Test Paper-14

  • question_answer
    A polluted river:

    A) is bad for us but good for our environment

    B) is good for us but bad for our environment

    C) is good for all of us because it kills disease spreading microbes

    D) is bad for us because it spreads disease

    E) None of these

    Correct Answer: D


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