It is observed that the total pressure exerted by air on the man of average size is around 14.7 lb wt. per square inch. But the man feels quite comfortable,. It is because of__________?

It is observed that the total pressure exerted by air on the man of average size is around 14.7 lb wt. per square inch. But the man feels quite comfortable,. It is because of__________?

A. An equal and opposite pressure acts from inside

B. of the height of a man

C. of gravity

D. Earth pulls the man upward

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