What does a profile of a river from its headwaters to its mouth typically show?
A) an increase in gradient downstream
B) a straight-line profile reflecting a constant decrease in gradient
C) an abrupt increase followed by a gradual decrease
D) a curved shape that flattens out downstream
E) none of these

Question

Quizplus · Accepted Answer

A river profile typically shows a curved shape that flattens out as it moves downstream, reflecting a decrease in gradient from the headwaters to the mouth.

What Does a Profile of a River from Its Headwaters