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Which option correctly gives the simple meaning of population momentum?

Answer and explanation

Correct answer: Population continuing to grow for some time because of a young age structure even after the birth rate falls

Correct answer: A. Population momentum is the continued growth of a population for some time even after fertility or birth rates begin to decline. The main reason is age structure. If a population contains a large share of young people, many of them will enter reproductive ages in the future. Even when each woman has fewer children than before, the large number of potential parents can keep the total number of births substantial. A is correct because it connects continued growth with a young age structure after the birth rate falls. B is wrong because a rising death rate does not automatically make a population zero. C is wrong because population momentum is not the same as zero migration. D is wrong because an increase in area does not directly raise the birth rate. Memory cue: a young population can keep growth moving forward because many future parents are already present.

Related tags

Population MomentumAge StructureBirth RateDemographyPopulation GrowthPopulationGeographyClass 9 Mcq

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