define population growth
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if the number of people are growth regularly and population is more than the essential commodities than it is cal
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population growth changes due to the processes of births ,deaths and migrations .The natural increase of population is difference between birth rates and death rates.
birth rate : it is defined se number of live births per thousand person in a year.
death rate : it is defined as the number of death per thousand person in a year
migration
it is the movement of people across regions and territories. It is of two types :
1. internal migration :when people migrate from one place to another within a country
2. international migration : when the people migrate from one country to another
birth rate : it is defined se number of live births per thousand person in a year.
death rate : it is defined as the number of death per thousand person in a year
migration
it is the movement of people across regions and territories. It is of two types :
1. internal migration :when people migrate from one place to another within a country
2. international migration : when the people migrate from one country to another
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