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Which option gives a correct cause of population growth?

Answer and explanation

Correct answer: Number of births being more than deaths

Correct answer: A. A population can grow naturally when births are greater than deaths. In simple terms, natural increase = births − deaths. For example, if 100 births and 60 deaths occur, the natural increase is 40 people, before considering migration. B would produce a natural decrease because deaths exceed births. C would usually reduce the population through net out-migration, because more people leave than enter. D supplies neither births nor incoming migrants, so it does not provide a cause of growth. Migration can also change population, but this question asks for a correct cause and A is the clear natural-growth cause. Memory cue: births add, deaths subtract; in-migration adds and out-migration subtracts.

Related tags

Population GrowthNatural IncreaseBirthsDeathsMigrationPopulationGeographyClass 9 Mcq

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