2. Sample Papers
  3. 7th Class
  4. Social Science

7th Class Social Science Sample Paper Social Studies - Sample Test Paper-8

  • question_answer
    The air we breathe exists in:

    A)  Stratosphere       

    B)        Troposphere

    C)  Mesosphere        

    D)         Thermosphere

    E)  None of these

    Correct Answer: B

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