Question

How are flood plains formed?


NCERT Class 7th Social Science (Our Environment) Chapter 3- Our Changing Earth

Answer 1

Flood plains is the area of alluvial deposits found beside the river due to flooding and meandering.The flood brings fine sands and silts along with it , gets deposited around the plain. Similarly meanders erode away the valley slowly and create a wide valley floor , deposit alluvial , fine silt , along the sloops.The fine alluvial builds up into a flood plain.

Answer 2

Answer:

When a river overflows it's banks. It results in the flooding of the areas surrounding it. When it floods,it deposits a layer of fine soil and other material calles sediments. Thus,forming a fertile layer of soil called flood plains

Explanation:

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