Question

define birth rate and migration
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Answer 1

Answer:

Birth rate -The birth rate is the ratio between the number of live-born births in the year and the average total population of that year.

Migration- Migration is the process or act of migrating, i.e. the movement from one region or place of habitat to another.

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Answer 2

Answer:

birth rate is the number of live births per 1,000 persons in a year. death rate is the number of deaths per 1000 persons in a year. migration is the movement of people from one place to another for better job facilities, living conditions etc

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