In the following graph, the temperature of a freshwater lake is plotted against its depth. This temperature profile of the graph would be most characteristic of the lake during the
A) winter.
B) spring.
C) summer.
D) fall.
E) Both b and c

Question

In the following graph, the temperature of a freshwater lake is plotted against its depth. This temperature profile of the graph would be most characteristic of the lake during the 
A) winter. 
B) spring. 
C) summer. 
D) fall. 
E) Both b and c

Quizplus · Accepted Answer

The temperature profile in the graph shows a thermocline, which is a distinct boundary layer in the lake where temperature changes rapidly with depth. This is most characteristic of the lake during the summer, when the surface temperatures are warm and the deeper water remains cold. In winter, the lake may have a uniform temperature throughout, while in spring and fall, the lake may experience mixing that would disrupt the thermocline. Therefore, choice C, summer, is the best choice.

In the Following Graph, the Temperature of a Freshwater Lake