Flooding

swamp floods Thousands of years ago before people reinforced towns and planted crops, rivers cut deep canyons and molded the continents. Often these rivers everywhereflowed their banks and make full the surrounding areas, depositing mineral rich silt and soil in the surrounding plains and valleys. Because of the way floods enrich soil some of the archetypal cities were built along rivers. The most important ones grew along the Indus River in Pakistan; the Nile in Egypt; the Yellow River in China; and the Tigris and Euphrates in the mall East. These rivers floodplains are called the cradles of civilization.

(Michael Burgan &Robin Doak) Even though floods happen everywhere, there are only four types of floods. River floods go along rivers and usually happen because of heavy rain over a large area. This can also be caused by melting snow and ice jams and can last for weeks. In most parts of the world dams and levees help keep rivers from flooding by blocking off water and storin...If you want to bum around a full essay, order it on our website: Ordercustompaper.com

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