Wednesday, June 13, 2012

plain

 


A plain is a flat low land.It extends up to 200m from the sea level.There is a stretch of plains in the southern part of our of country. It is called the terrain. There are different kinds of plains may be formed by  the deposition of minerals,humus and fertile substances carried down by the river from the mountains.Such plains are fertile hence there will be dense population.Some plains are formed due to erosion of mountains by wind ,rain river and glacier.Such plains are not fertile.

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