Under normal conditions,the air of the earth's surface is heated by the sun and rises to mix with cool air above it,but in a temperature ________,a warm layer of air moves in over a cooler layer of smog.This new layer sits on top of existing smog,trapping it so the air cannot leave.

Question

Quizplus · Accepted Answer

The Answer of Under normal conditions,the air of the earth's surface is heated by the sun and rises to mix with cool air above it,but in a temperature ________,a warm layer of air moves in over a cooler layer of smog.This new layer sits on top of existing smog,trapping it so the air cannot leave.

Under Normal Conditions,the Air of the Earth's Surface Is Heated