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Why can growth rate appear low in an area with high out migration even if birth rate is high?

Answer and explanation

Correct answer: Because people leaving reduce total growth

The correct answer is A: people leaving the area reduce its population growth. Population change depends on more than births. In a simple form, it is affected by births, deaths, people moving in and people moving out. A high birth rate tends to increase population, but high out migration removes residents from the area. If many people leave for work, education or other reasons, their departure can partly or completely offset the increase caused by births. The observed growth rate may therefore be low. Option B is wrong because births do affect population size. Option C is wrong because out migration means movement out, while in-migration adds people. Option D is wrong because there is no basis for saying the death rate is always zero. Memory cue: in-migration adds; out-migration subtracts.

Related tags

Out MigrationBirth RatePopulation ChangeProcesses Of Population ChangePopulationGeographyClass 9 Mcq

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