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3rd Class Science The Solar System Question Bank Solar System

  • question_answer
    Why do astronauts wear oxygen mask on moon?                    

    A) There is no atmosphere or oxygen on moon to breathe

    B) To avoid suffocation after a long flight in space craft

    C) To be used in case of emergency

    D) None of these

    Correct Answer: A

    Solution :

    There is no atmosphere or air on moon. Therefore, without oxygen mask it would be impossible to breathe on moon.


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