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In which situation can a region's population decrease even when births are higher than deaths?

Answer and explanation

Correct answer: When out-migration is very high

Answer: A, when out-migration is very high. Population change depends on both natural change and migration. Natural change is calculated as births minus deaths. Total population change also includes people entering and leaving the region: population change = births − deaths + in-migration − out-migration. Thus, if births exceed deaths by 1,000 but 2,000 more people leave than enter, the region loses 1,000 people overall. Option A is correct because a large outflow can overcome natural increase. B is not necessarily correct: higher literacy may influence population patterns, but it does not automatically make population fall. C concerns a river, not population accounting. D is only a map-design change and cannot alter the number of residents. Memory cue: natural increase tells what happens through births and deaths; migration tells who moves in or out.

Related tags

Out-MigrationTotal Population ChangeNatural GrowthProcesses Of Population ChangePopulationGeographyClass 9 Mcq

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