Question

What is the main function of a river in its upper course ?mention some of the distinctive feature apparent at this stage

Answer 1

Answer:

The main function of a river in its upper course is that the vertical erosion is great in this part of the river.

Some features of the distinctive feature apparent at this stage are:

1) The gradient here is steep.

2) The river channel is narrow.

3) A perpendicular sided V-shaped valleys are formed.

Answer 2

Answer: The main function of a river in its upper course is erosion. It erodes its bed and banks and carries large boulders of rock with it. The landforms formed in the upper course of a river are V-shaped valley and waterfall.