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If total growth in an area is zero, which combination can be correct?

Answer and explanation

Correct answer: The sum of births and in-migration equals the sum of deaths and out-migration

Correct answer: B. Total population change can be understood by balancing additions and losses. Births and in-migration add people to an area. Deaths and out-migration remove people. If the total number added is exactly equal to the total number removed, the net or total growth is zero, even though births, deaths, and migration may all be occurring. B is correct because births plus in-migration equal deaths plus out-migration. A is wrong because births already exceed deaths and high in-migration adds still more people, so total population would rise. C is wrong because high births with no deaths would create an increase. D is wrong because high in-migration with no out-migration adds people. Memory cue: zero net growth means additions equal losses, not that every demographic event is zero.

Related tags

Zero Population GrowthBirthsDeathsMigration BalancePopulation Size And DistributionPopulationGeographyClass 9 Mcq

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