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Q:

As we go up the layers of the atmosphere

  • 1
    the pressure increases but the temperature decreases.
  • 2
    the pressure decreases but the temperature increases.
  • 3
    the pressure and the temperature remain the same.
  • 4
    the pressure decreases but the change in temperature varies
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Answer : 2. "the pressure decreases but the temperature increases."
Explanation :

As we go up the layers of the atmosphere, fewer air molecules are above us. So, there will be less weight of air above us. Hence, atmospheric pressure always decreases as we move upward in the atmosphere.

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