Question

Describe the three stages of a river from its origin in the mountains to its journey into a sea oran ocean.
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Answer 1

Answer:

YOUTHFUL STAGE (UPPER COURSE) – V- Shaped Valley > Erosion.

MATURE STAGE (MIDDLE COURSE) – Meanders > Erosion and Deposition.

OLD AGE STAGE (LOWER COURSE) – Floodplains > Deposition.

Answer 2

Answer:

There are three stages of river,

1 youthful stage

2 mature stage

3 old stage

Explanation:

1) youthful stage :-

at this stage river is in its erosional phase , we can see deep gorge,V -shaped valley , canyon, potholes. At this phase the erosional processes are more predominant.

2) mature stage

When river goes into the gentle sloppy region, that time there are both of the things (erosional, depositional ) processes are same at this stage river starts meandering.

3) old stage

The old stage come when river goes into very gentle sloppy region, where slop is near 0 degree , that time river is more predominant in depositional process, it starts forming deltas and at this stage river meets to ocean

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