Question

Air pressure decreases with increasing altitude ?

Answer 1

Pressure with Height: pressure decreases with increasing altitude. The pressure at any level in the atmosphere may be interpreted as the total weight of the air above a unit area at any elevation. At higher elevations, there are fewer air molecules above a given surface than a similar surface at lower levels.

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Answer 2

Answer:

The proportion of dust in the water vapour , heavy gases, etc. is higher in the air closer to the surface of the earth. this proportion decreases with increasing altitude. as one moves higher and higher from the surface of the earth, the air becomes thinner and thinner. as a result, the air pressure decreases with increasing altitude.