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6th Class Science Air Around us Question Bank Air Around us

  • question_answer
    Which of the following statement(s) is/are correct?

    A) The percentage of nitrogen in air varies from place to place on the earth.

    B) The percentage of oxygen in air varies from place to place on the earth.

    C) Both the above are correct

    D) All of the above

    Correct Answer: C

    Solution :

       


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