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

  • question_answer
    Guess who am I?   I am present in air. I enter your lungs when you inhale air. You cannot live without me. I give energy to your body.

    A) Hydrogen        

    B) Oxygen               

    C) Nitrogen         

    D) Carbon dioxide

    Correct Answer: B

    Solution :

       


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