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What relation can exist between population growth and age structure?

Answer and explanation

Correct answer: More births can increase the share of children

The direct answer is A: more births can increase the share of children. Age structure means the distribution of people among age groups such as children, working-age people, and older people. When the birth rate is high, many young children are added to the population, so the child share can rise and the population may have a younger structure. Option A is correct because births directly add people to the youngest age group. Option B is wrong because a lower birth rate generally adds fewer children, not more. Option C is wrong because newborns belong to the child group; they do not immediately become elderly. Option D is wrong because changes in births, deaths, and migration can alter the proportions of age groups. The effect may not be instant in every case, but the relationship is real. Memory cue: births first enlarge the child group.

Related tags

Age StructureBirth RatePopulation GrowthPopulationGeographyClass 9 Mcq

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