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 are correct.

Question

Quizplus · Accepted Answer

A profile of a river typically shows a curved shape that flattens out downstream. This is because the gradient decreases as the river approaches its mouth and the energy of the river is dissipated.

What Does a Profile of a River from Its Headwaters