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Which option gives the correct relationship for actual population growth?

Answer and explanation

Correct answer: Actual growth = Births − Deaths + In-migration − Out-migration

Correct answer: A. Actual population growth combines natural change with net migration. Natural change is births minus deaths. Net migration is in-migration minus out-migration, because people entering are added and people leaving are subtracted. Therefore, actual growth = births − deaths + in-migration − out-migration. Option A is correct and includes all four relevant components. Option B is wrong because area and density describe spatial conditions, not the complete change in population. Option C is wrong because rainfall and temperature are physical factors and are not a population-growth formula. Option D is wrong because language and food cannot be multiplied to calculate population change. Memory cue: B − D + I − O—births minus deaths, plus in, minus out.

Related tags

Actual GrowthPopulation FormulaNatural ChangeMigrationPopulation GrowthPopulationGeographyClass 9 Mcq

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