Question

How are flood plains formed​

Answer 1

Explanation:

When it floods, it deposits a layer of fine soil, rich mineral salts, nutrient-rich silt, sediment, and distribute it across a wide area. These sediments make the soil very much fertile and lead to the formation of a very flat fertile flood plain.

Answer 2

Answer:

At the time when the river overflows its banks, this leads to flooding of nearby areas. As it floods it does deposit layer of fine soil and other materials called sediments along its bank. This leads to the formation of the flat fertile floodplains