Question

at highter altitudes air become________​

Answer 1

Answer:

As altitude rises, air pressure drops. In other words, if the indicated altitude is high, the air pressure is low. ... As altitude increases, the amount of gas molecules in the air decreases—the air becomes less dense than air nearer to sea level.

Answer 2

Answer:

Less

Explanation:

At higher altitude air become less.

Because of height.