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Which option shows the correct understanding of total population change?

Answer and explanation

Correct answer: Births, deaths, in-migration and out-migration all affect it

Correct answer: B. Total population change has two broad parts. Natural change comes from births and deaths: births add people and deaths remove people. The migration balance comes from in-migration and out-migration: people entering add to the population, while people leaving reduce it. In simple terms, total change is affected by births minus deaths plus in-migration minus out-migration. Option B is correct because it includes all four processes. Option A is incomplete because births alone ignore deaths and migration. Option C is incomplete because deaths alone ignore additions and movement. Option D is wrong because physical area may affect density, but area itself does not count people or determine total change. Memory cue: total change requires both natural components and migration components.

Related tags

Total Population ChangeBirthDeathMigrationProcesses Of Population ChangePopulationGeographyClass 9 Mcq

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