Any stream may lengthen its valley by ________ and delta formation.
A) headward erosion
B) siltation
C) saltation
D) alluvial deposition
E) none of the above

Question

Quizplus · Accepted Answer

Headward erosion is the process by which a stream lengthens its valley upstream, contributing to its overall growth and the extension of its drainage basin. This occurs as water erodes the land at the head of the stream, moving sediment and deepening the valley.

Any Stream May Lengthen Its Valley by ________ and Delta