Question

The sun is heating a region of air in the atmosphere. what will happen to the region of air as its temperature rises

A. the air particles will become smaller.

B. the air particles will become more crowded.

C. the air will push down with less pressure.

D. the air will sink closer to Earth's surface.​

Answer 1

The answer is C

Air pressure is a measure of the weight of the molecules above you. As you move up in the 4 levels of the atmosphere, there are fewer molecules above you, Therefore, the air pressure is lower, thus, decreasing the pressure with height.