When Cool,dry Air Sinks from the Upper Atmosphere Toward the Earth's

Multiple Choice

When cool,dry air sinks from the upper atmosphere toward the Earth's surface,it is

A) compressed and cooled further.
B) allowed to expand and become warmer.
C) compressed and becomes warmer.
D) forced to release any remaining moisture.
E) going to hold more water because there is more water vapor closer to the Earth's surface.