The earth’s atmosphere pushes down on the surface of the earth with a force of 14.7 lb for each square inch of the earth’s surface. what is the weight of the earth’s atmo- sphere? the radius of the earth is about 6357 km.

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

explanation:

newton's third law, for every action there is an equal and opposite reaction.

i'm on my way to history not a mistory.