The relationship between the insolation curve and the air temperature curve on a graph of daily surface energy
A) exhibits a lag of several hours between the plotted lines.
B) shows little or no relationship between the two variables.
C) shows that peak temperatures occur near noon, whereas peak insolation receipt is at 3:00 or 4:00 P.M.
D) coincide at noon.

Question

Quizplus · Accepted Answer

The insolation curve and air temperature curve exhibit a lag because the Earth's surface takes time to absorb solar energy and re-radiate it as heat, causing peak temperatures to occur a few hours after peak insolation.

The Relationship Between the Insolation Curve and the Air Temperature