Question

As altitude decreases, what happens to

air pressure?
A. increases
B. decreases
C. stays the same
D. not enough information to tell

Answer 1

It decreases so it is B

Step-by-step explanation:

As altitude rises, air pressure drops.

Answer 2

A. Increases

Step-by-step explanation:

As altitude decreases, the amount of gas molecules in the air increases - the air becomes less dense. As altitude increases, the amount of gas molecules in the air decreases—the air becomes less dense.