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Which option gives the correct simple relation for actual growth?

Answer and explanation

Correct answer: Actual growth = births − deaths + in-migration − out-migration

Direct answer: A. Actual population growth records the net change in the number of people. First, births add people and deaths remove people, giving natural increase: births − deaths. Next, in-migration adds people arriving from elsewhere, while out-migration removes people leaving. Combining these gives actual growth = births − deaths + in-migration − out-migration. B is wrong because area and population are used for ideas such as density, not for calculating population change. C is wrong because rainfall and temperature are environmental factors and are not terms in this demographic formula. D is wrong because language and soil do not form a population-growth calculation. Remember that the signs matter: additions have plus signs and departures or deaths have minus signs. Memory cue: births and arrivals add; deaths and departures subtract.

Related tags

Actual GrowthPopulation FormulaMigrationNatural IncreasePopulation GrowthPopulationGeographyClass 9 Mcq

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