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  5. The Living Organisms and their Surrounding

6th Class Science The Living Organisms and their Surrounding Question Bank Environment

  • question_answer
    Which one of the following is the most abundant trace gas?

    A) Methane           

    B) Ozone

    C) Argon         

    D)        Nitrous oxide

    E) None of these

    Correct Answer: C

    Solution :

    Not Available   


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