Question

Explain the population change in the world from 1820 onwords.

Answer 1

Many scientists think Earth has a maximum carrying capacity of 9 billion to 10 billion people. [How Do You Count 7 Billion People?] One such scientist, the eminent Harvard University sociobiologist Edward O. Wilson, bases his estimate on calculations of the Earth's available resources.

Answer 2

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Population change in world took a speeding up after 1820s because of mass production.This created over population and poverty which slowed down growth and development.

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