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If an area has a low birth rate, a low death rate, but high in-migration, what will be the nature of population change?

Answer and explanation

Correct answer: Mainly migration-based increase

Direct answer: Option A, mainly migration-based increase. Population change has three important components: births, deaths and migration. Natural increase is calculated by subtracting deaths from births. When both the birth rate and death rate are low, this natural increase may be small. However, in-migration means that people are entering the area from other places. These incoming people add to the population, so the total population can rise mainly because of migration. Option A is correct because it identifies the main source of growth. Option B is wrong because a low death rate does not by itself produce decline. Option C is wrong because it ignores the strong effect of in-migration and confuses natural increase with total population change. Option D is wrong because high in-migration can make the population grow even when births and deaths are both low. Memory cue: natural change equals births minus deaths; total change also includes migration.

Related tags

In-MigrationPopulation ChangeNatural IncreaseProcesses Of Population ChangePopulationGeographyClass 9 Mcq

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