Answers

2015-04-01T15:42:02+05:30
Factors influences population:
     * birth rate 
     *- death rate 
      * migration
inter country migration does not changes the population of the country.
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2015-04-01T19:18:13+05:30
Factors influence population change
1) birth rate
2) death rate
3) economic problem
4) migration

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