How Does Air Temperature Change with Elevation in the Troposphere,the

Multiple Choice

How does air temperature change with elevation in the troposphere,the lowest layer of the Earth's atmosphere?

A) It slowly rises with increasing elevation.
B) It becomes much lower at higher elevations,reaching well below the freezing point of water.
C) It remains constant regardless of elevation.
D) It becomes lower with increasing elevation,but never drops below the freezing point of water.