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Which components are included in total population change?

Answer and explanation

Correct answer: Births, deaths and net migration

Direct answer: A. Population change is determined by three demographic processes: births, deaths and migration. Births add people, deaths remove people, and net migration represents the balance between people entering and leaving. In simple form, population change = births − deaths + net migration. A is correct because it includes all three components. B is wrong because rivers, mountains and soil are physical features or environmental elements, not direct demographic components. C describes weather-related elements and does not calculate population change. D lists parts of the natural world and wildlife, which are not population-change components for human population. A useful memory cue is B-D-M: births, deaths, migration. Do not confuse natural increase, which is births minus deaths only, with total population change, which also includes net migration.

Related tags

Population ChangeBirthsDeathsNet MigrationDemographyProcesses Of Population ChangePopulationGeography

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