Question

why does air pressure increase in humid condition​

Answer 1

Answer. Atmospheric pressure usually decreases when humidity increases because moisture in the air displaces heavier nitrogen and oxygen molecules, reducing the weight of the air in the area.

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Answer 2

Answer:

I guess this is what u wanted..

Explanation:

The air around you has weight, and it presses against everything it touches. That pressure is called atmospheric pressure, or air pressure.