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What is the best simple way to understand population growth?

Answer and explanation

Correct answer: Seeing births, deaths, migration and time period together

Direct answer: A. Population growth is understood by examining how the number of people changes during a stated period. Births add people, deaths remove people, inward migration adds people, and outward migration removes people. The time period is necessary because growth describes change between one time and another. Option A is correct because it includes all these basic elements. Option B is wrong because a river name does not measure population change. Option C is wrong because mountain height is a physical-landform feature, not a population measure. Option D is wrong because soil colour does not show the number of residents. A useful simple expression is: change in population = births − deaths + inward migration − outward migration, although a question may not provide every figure. Memory cue: B-D-M-T—births, deaths, migration, and time—help explain population change.

Related tags

Population GrowthBirthsDeathsMigrationTime PeriodPopulationGeographyClass 9 Mcq

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