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If many people leave a region what will happen to its population?

Answer and explanation

Correct answer: It may decrease

Direct answer: A, the population may decrease. When people leave a region, it experiences out-migration. Those people are no longer counted as residents of the region they left, so its population can fall. The word “may” is important because births, deaths and in-migration may occur at the same time and can change the final result. Option B is wrong because leaving does not always increase birth rate. Option C is wrong because migration cannot make death rate zero. Option D is wrong because density is population divided by area; if population falls while area stays the same, density generally falls rather than always increasing. Memory cue: out-migration takes people out of the region.

Related tags

Out-MigrationPopulation DecreasePopulation DensityProcesses Of Population ChangePopulationGeographyClass 9 Mcq

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