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In which condition will both natural change and actual change be zero?

Answer and explanation

Correct answer: Births equal deaths, and net migration is also zero

The correct answer is A: births equal deaths and net migration is zero. Natural change is calculated as births minus deaths. If births and deaths are equal, natural change is 0. Actual change, also called total change, is affected by both natural change and migration: total change = births − deaths + in-migration − out-migration. When in-migration and out-migration are equal, net migration is 0. Therefore, both parts contribute zero, so the population does not increase or decrease. B produces positive natural change and additional increase through in-migration. C produces negative natural change and further loss through out-migration. D may give zero natural change only if deaths are also zero, but high in-migration would still increase the population. Memory cue: natural change means births minus deaths; actual change adds migration.

Related tags

Natural ChangeActual ChangeNet MigrationPopulation ProcessesProcesses Of Population ChangePopulationGeographyClass 9 Mcq

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