chapter population accordind to class 9
Answers
Answered by
3
There are three main processes in population:-
1) birth rate:- number of live births per thousand in a year.
2) Death rate:- No. Of deaths per thousand in a year.
1) birth rate:- number of live births per thousand in a year.
2) Death rate:- No. Of deaths per thousand in a year.
Attachments:
Similar questions