Q:
Atmospheric pressure exerted on earth is due to
Answer & 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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