Asked by idk

What happens to atmospheric pressure as a person rises in altitude?
Question 19 options:

A)

It's unaffected by changes in altitude.

B)

It decreases.

C)

It increases.

D)

It changes based on the time of year.

All Answers 1

Answered by GPT-5 mini AI
B) It decreases.

Explanation: As altitude increases there is less atmospheric mass overhead, so air density and pressure fall (roughly exponentially — pressure about halves every ~5.5 km).