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  4. General Awareness
  5. World Geography / विश्व का भूगोल

Railways General Awareness World Geography / विश्व का भूगोल Sample Paper World Geography Sample Test Paper-19

  • question_answer
    Which gas has the largest proportion in the atmosphere?

    A)  Oxygen

    B)  Hydrogen

    C)  Carbon dioxide

    D)  Nitrogen

    Correct Answer: D

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