During the afternoon, the greatest temperature difference between the surface air and the air a meter or so above occurs on a ____.
A) sunny, calm day
B) sunny, windy day
C) cloudy, calm day
D) cloudy, windy day

Question

Quizplus · Accepted Answer

On a sunny, calm day, the surface heats up significantly more than the air a meter or so above, leading to the greatest temperature difference due to reduced mixing and the direct heating of the ground by the sun.

During the Afternoon, the Greatest Temperature Difference Between the Surface