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  3. 7th Class
  4. Social Science

7th Class Social Science Sample Paper Social Studies - Sample Test Paper-9

  • question_answer
    Which of the following layers of atmosphere is ideal for flying aeroplanes?

    A)  Thermosphere    

    B)        Ionosphere

    C)  Mesosphere    

    D)  Stratosphere

    E)  None of these

    Correct Answer: D

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