Question

what is the main function of a river in its upper course in land formation

Answer 1

Hi,

Here's ur answer:-

In the upper course , the river carries sediments which are deposited layer by layer over period of time. Thus apart from having a fertile alluvial soil, they also help in land formation.

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Answer 2

Answer:

Upper course features

As the river moves through the upper course, it cuts downwards. The gradient here is steep and the river channel is narrow. Vertical erosion in this highland part of the river helps to create steep-sided V-shaped valleys, interlocking spurs, rapids, waterfalls and gorges.