A) Meanders and oxbow lakes
B) Levees and flood plains
C) Rapids and cascades
D) Alluvial fans and alluvial cones
Correct Answer: C
Solution :
Meanders and oxbow lakes are formed by erosional and depositional work of the river in its middle course. Levees and flood plains are formed by the depositional work of river in its middle and lower course. Rapids and cascades are formed by the erosional work of the river when it passes over an area where rock beds dip gently downstream. The river Nile has .formed a number of cascades in Africa. Alluvial fans and alluvial cones are formed by the river when it leaves mountainous area and enters plain area and starts depositing the sediment brought by the river from the mountainous region.
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