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By which process can a region's population decrease even without deaths increasing?

Answer and explanation

Correct answer: Out-migration

Correct answer: C, out-migration. Out-migration happens when people leave a region to live or work elsewhere. Their departure reduces the number of residents in the region, even if the death rate has not increased. Population change is not caused only by births and deaths; movement into and out of an area also matters. Option C is correct because people leaving create a possible decrease in the local population. Option A is wrong because births add people and normally increase population. Option B is wrong because in-migration brings people into the region and tends to increase its population. Option D is wrong because better health usually helps people survive and does not itself remove residents. The exact result can also depend on births and other movements, but out-migration is the process identified in the question. Memory cue: out means people go out, so the local total can go down.

Related tags

Out-MigrationPopulation DecreaseMigrationPopulation ChangeProcesses Of Population ChangePopulationGeographyClass 9 Mcq

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