A words population is defined by the sun of total number of people living in certain area at the specified period of time .The sum Total Population. For Now thousands years Human beings were a rare species and their number grew very slowly. This Unique Period in the history of mankind will probably come to an end within a century.What are the reasons for this growth and development of Mankind. What factors are affecting the population comes under all about Population.
Population Growth increased significantly as the industrial Revolution gathered pace from 1700 onwards. The Last 50 Years have been yet more paid increase the population.
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