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What forms natural increase in population growth?

Answer and explanation

Correct answer: From the difference between births and deaths

Direct answer: D is correct. Natural increase means the change produced by births and deaths within a population, without including migration. It is calculated as number of births minus number of deaths during a given period. If births are greater than deaths, natural increase is positive; if deaths are greater, the natural change is negative or a natural decrease. A is wrong because immigration and emigration describe migration, which affects total population change but is not natural increase. B is wrong because area and density describe the spatial relationship between people and land. C is wrong because literacy and sex ratio are population characteristics, not the two components of natural increase. Memory cue: natural increase comes from nature-related population events—births minus deaths; migration is kept separate.

Related tags

Natural IncreaseBirthsDeathsPopulation ChangePopulation DensityPopulationGeographyClass 9 Mcq

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