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Q: Atmospheric pressure exerted on earth is due to

  • 1
    gravitational pull
  • 2
    rotation of earth
  • 3
    revolution of earth
  • 4
    uneven heating of earth
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Answer : 1. "gravitational pull"
Explanation :

Answer: A) gravitational pull Explanation: The atmospheric pressure at the surface of the Earth is due to gravitational pull of the earth and is about 14.7 psi.   That means that the weight of a column of air which has a cross section of 1 square inch and which stretches from the surface of the Earth to space is 14.7 pounds.

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