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If births are more than deaths but many people move out, what can happen to the total population?

Answer and explanation

Correct answer: It may also decrease

Correct answer: B, it may decrease. Births greater than deaths create a positive natural increase, but total or actual population growth also depends on migration. The relationship is actual growth = births − deaths + in-migration − out-migration. If out-migration is very large, the number leaving can be greater than the natural increase. For example, if births exceed deaths by 100 but 200 more people leave than enter, the total change is 100 − 200 = −100, so the population decreases. Option A ignores migration. Option C is too definite because the result depends on the size of migration. Option D is meaningless because population cannot become area.

Related tags

Out-MigrationNatural IncreaseTotal PopulationPopulation GrowthPopulationGeographyClass 9 Mcq

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