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What is the role of births in population growth?

Answer and explanation

Correct answer: Births add new individuals to the population

Direct answer: A. A birth adds one new person to the population of a place. To understand population change, begin with the existing population, add births and in-migrants, and subtract deaths and out-migrants. If births are high and other factors remain unchanged, the population tends to grow. A is correct because birth is an addition to population size. B reverses the effect of birth; a birth does not remove a person. C is wrong because births change the number of people, not the physical area of a region. D is wrong because births do not end deaths or make the death rate zero. Memory cue: births are added, deaths are subtracted.

Related tags

Birth RatePopulation GrowthPopulation ChangeDemographyProcesses Of Population ChangePopulationGeographyClass 9 Mcq

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