Question

If A has air pressure 760 mm Hg and B has air pressure 720 mm Hg, from which of them would you expect better exhalation?​

Answer 1

Answer:

it only depends on the air pressure of the are where the person is. but if we take the air pressure of room to be 800 mm Hg the A has to do less work. since air pressure difference is less for A than B.