Question

There is little vertical air movement in the __ because of the cold, heavy air at the bottom of the layer.

Answer 1

The correct answer is the Mesosphere. Mesosphere is the layer of the Earth's atmosphere that is directly above the stratopause and directly below the mesopause.

Step-by-step explanation:

Answer 2

The correct answer is the Mesosphere. Mesosphere is the layer of the Earth's atmosphere that is directly above the stratopause and directly below the mesopause.