2. Sample Papers
  3. 9th Class
  4. General Knowledge

9th Class General Knowledge Sample Paper General Knowledge Sample Test Paper-10

  • question_answer
    In the mesoosphere, the atmosphere reaches its coldest temperatures (about -90° Celsius) at a height of approximately ____.

    A)  80 kilometres                

    B)  50 kilometres

    C)  60 kilometres             

    D)  100 kilometres

    E)  None of these

    Correct Answer: A

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