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Natural increase is mainly related to which things?

Answer and explanation

Correct answer: Births and deaths

The correct answer is A: natural increase is related to births and deaths. In demography, natural increase is calculated as births minus deaths during a period. If births are greater than deaths, natural increase is positive; if deaths are greater, it is negative. Migration is not included in natural increase, although it is included when calculating total population change. Option A is correct because it names the two processes that determine the natural balance. Option B concerns physical materials, not demographic events. Option C names water features and does not measure births or deaths. Option D describes cultural characteristics, not the natural component of population change. A common confusion is to treat migration as natural increase. Memory cue: “natural” means change through birth and death, without movement across a boundary.

Related tags

Natural IncreaseBirthsDeathsPopulation ChangeProcesses Of Population ChangePopulationGeographyClass 9 Mcq

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