Answers

2015-01-25T21:01:02+05:30
Age Structure, Birth Rate, and Death Rate.answered by ghousi.
Age structure:- it is refer to number of males and females in diferent age groups in a country.
Birth Rate:- it is refer to number of live births per thousand persons in a year.
Death Rate:- it is refer to number of deaths per thousand persons in a year.
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