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Abby Mills How to prevent flooding! * Reservoirs can be built in the upper parts of rivers to store water. * Making the channel larger, deeper or wider to hold more water before it overflows. * Walls, banks or levees can be built on either side of the river. They are common because they are cheap to build. * Flood relief channels are artificial channels that can be built to take away surplus water and prevent flooding. * River straightening The course of the river is straightened, allowing the river to be free from obstructions and to flow faster. * A flood barrage can be built across a river to protect the community from floods. This has happened on the River Thames, but it is expensive to do. Management of people and human activity: * Accepting the damage and loss often happens in countries which can't afford to protect against flooding. *...

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