True, A fllodplain is a low-lying ground near a river, It is formed by river sediments, Floodplains are very fertile and good for farming., Flooding is part of a river's natural cycle , It occurs when a river overflows to the surrounding areas, because the channel is full, The material deposited by rivers is called alluvium, False, A floodplain doesn't flood annually, Alluvium is made up of sand, rocks, and lava, Flooding occurs when water flows through channels , Flooding is a completely unnatural event caused by humans..

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