How are flood plains formed?
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They are made by eroding the sideways as they move downstream. When the river breaks its banks and causes flood, it leaves behind layers of slit. This gradually build up to creat the floor of flood plain
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At times the river overflows its banks. This leads to the flooding of the neighbouring areas. As it floods, it deposits layers of fine soil and other material called sediments along its banks. This leads to the formation of a flat fertile flood plain.
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