How do differences in air pressure affect the air around us?

Differences in air pressure also in wind.

Explanation:

Air moves from areas of high pressure to areas of low pressure and the greater difference in air pressure, the faster the wind blows. As you travel further from the Earth's surface, the atmosphere changes.

layer a is the exosphere and layer b is the thermosphere.   is the answer i think but i hope this .

this is a good question! i'll do some research and come back when i have the answer!