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Which is the simple equation of total population growth?

Answer and explanation

Correct answer: Births minus deaths plus net migration

Correct answer: A. A population changes through two broad processes: natural change and migration. Natural increase is calculated by subtracting deaths from births. Net migration is calculated by subtracting people leaving from people entering. Therefore, total population growth can be written as: (births − deaths) + net migration. If births exceed deaths, natural increase is positive; if deaths exceed births, it is negative. Immigration adds people, while emigration removes people, so their balance must be included. B is wrong because area and population are used when calculating density, not total growth. C compares weather or climate measurements and is unrelated. D combines two population characteristics but is not a growth equation. Memory cue: “births add, deaths subtract; arrivals add, departures subtract.”

Related tags

Total Population GrowthNatural IncreaseNet MigrationPopulation EquationPopulation GrowthPopulationGeographyClass 9 Mcq

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