During the afternoon, the greatest temperature difference between surface air and the air several meters above occurs on a ____.
A)clear, calm afternoon
B)clear, windy afternoon
C)cloudy, calm afternoon
D)cloudy, windy afternoon
E)cold, windy afternoon

Question

Quizplus · Accepted Answer

On a clear, calm afternoon, the sun heats the surface of the Earth, causing the air in contact with the ground to become much warmer than the air just a few meters above. This results in the greatest temperature difference due to the lack of wind to mix the air and the absence of clouds to moderate the temperature by reflecting sunlight or trapping heat.

During the Afternoon, the Greatest Temperature Difference Between Surface Air