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If birth rate remains stable in an area but emigration suddenly increases, what effect can occur on total population growth?

Answer and explanation

Correct answer: Total growth may decrease

Answer: A, total growth may decrease. Total population change can be understood as natural increase plus net migration. Natural increase depends mainly on births minus deaths. If the birth rate stays stable, that part does not automatically rise. Emigration means people leaving the area, so a sudden increase in emigration makes net migration more negative. This can reduce total growth and, if large enough, may even produce a decline. A is correct because it says “may,” allowing for the size of births, deaths and migration. B is wrong because emigration does not automatically double growth. C is wrong because natural increase also depends on deaths, and emigration is not a birth. D is wrong because migration does not make the death rate zero. Memory cue: out-migration subtracts people from the place they leave.

Related tags

EmigrationTotal Population ChangeNet MigrationPopulation GrowthPopulationGeographyClass 9 Mcq

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