2nd Class Science Air, Water and Weather Question Bank Air, Water and Weather

  • question_answer 3) Human beings exhales________ to be alive.

    A)  Oxygen           

    B)  Carbon dioxide

    C)  Argon              

    D)  None of these

    Correct Answer: B

    Solution :

    (b) Carbon dioxide. Human beings exhales carbon- dioxide to be alive.

adversite



LIMITED OFFER HURRY UP! OFFER AVAILABLE ON ALL MATERIAL TILL TODAY ONLY!

You need to login to perform this action.
You will be redirected in 3 sec spinner

Free
Videos