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Why is birth rate important in understanding population growth?

Answer and explanation

Correct answer: Because it is linked with the number or rate of new births

Direct answer: A. Birth rate describes the number of live births in a population during a stated period, usually in relation to the population size. Births add people to a population, so they are one of the main factors behind population change. Step by step: begin with the existing population; add the people born during the period; compare the new total with the old total. If births are high and other factors remain similar, population growth is more likely to be high. Option A is correct because it connects birth rate with new births. B is wrong because mountain height is a physical-geography measurement. C is wrong because river direction concerns drainage and relief. D is meaningless for demography. Memory cue: births add; deaths subtract.

Related tags

Birth RatePopulation GrowthDemographyPopulation ChangeProcesses Of Population ChangePopulationGeographyClass 9 Mcq

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