lunes, 17 de diciembre de 2012

World population distribution


The world is inhabited by more than six thousand million people. Global population growth has not always been at the same pace. It has been estimated that by the end of the 21st century, the world will have about 12 billion inhabitants. The distriibution of global population is not equal. Unequal distribution of population is due to physical factors (geography, weather...) and human factors (job opportunities...).








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