Landform Development #3

A.

(i)

A = Youthful Stage.

B = Mature Stage.

C = Old Stage.

(ii)

A = V – Shaped Valleys.

B = Meanders.

C = Developed Flood Plains.

(iii)

A peneplain is an almost entirely flat land which represents an advanced stage of fluvial erosion. A peneplain occurs in the old stage of a river’s course.

(iv)

The base level of a river is the lowest level to which a river may flow. The base level is often the river mouth; where the river opens to meet the sea. The base level may change during a period of rejuvenation caused by tectonic uplift.

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