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Competition Refresher
Competition Refresher Published this article page no 16 the population growth or population change refers to the change in number of inhabitants of a territory during a specific period of time. this change may be positive as well as negative. it can be expressed either in terms of absolute numbers or in terms of percentage. population change in an area is an important indicator of economic development social upliftment and historical and cultural background of the region the population on the earth is more than six billion. it has grown to this size over centuries. in the early periods population of the world grew very slowly. it is only during the last few hundred years that population has increased at an alarming rate. tells the story of population growth. after the evolution and introduction of agriculture about 8000 to 12000 years ago the size of population was small – roughly 8 million competition refresher magazine subscription.