The flood plain is generally a flat or gently sloping area of land beside a river channel which is inundated during periods of high water.Floodplains serve as a form of storage during high discharge in a river and can reduce downstream flood risk. In addition they also provide connections between habitats, provide safe refuge for fish and wildlife, and facilitate
sediment transport and storage. Floodplains are generally lower energy environments and so sediment aggradation commonly occurs over time.This sediment trapping process will reduce the sediment loading in the
D. a new substance is formed. if it is chemical change then it is actually changing to something new. In this case a new substance is formed. It is a completely different substance from what you started out with.