Question

Flood plains are formed in the middle region of a river valley give reason

Answer 1

Answer:

Floodplains are formed when a meander erodes sideways as it travels downstream. When a river breaks its banks, it leaves behind layers of alluvium (silt). These gradually build up to create the floor of the plain. Floodplains generally contain unconsolidated sediments, often extending below the bed of the stream.

Answer 2

Explanation:

because when a river breaks it loaves a layer of alluvium which gradually built up to create the floor of the plains