Answers

2016-01-13T21:11:52+05:30
An increase in the number of people that reside in a country, state, county, or city is known as population growth


The population change refers to change in the number of people during the specific time. 
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2016-01-14T14:35:55+05:30
 population growth is the increase in the number of individuals in a population.
 
The population growth rate is the rate at which the number of individuals in a population increases in a given time period as a fraction of the initial population.
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