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In which situation should age structure be treated as a key indicator in studying population change?

Answer and explanation

Correct answer: When future birth potential and dependency have to be understood

Correct answer: A. Age structure means the distribution of a population among age groups, such as children, working-age adults, and older persons. It is important because a large young population may contribute to future births as it enters reproductive ages, while a large older population may increase the need for health care and support. The proportions of working-age and dependent groups also help us understand dependency and planning needs. A is correct because it names two direct uses of age structure: estimating future birth potential and understanding dependency. B concerns physical geography, not population composition. C confuses land area with people. D concerns weather and does not measure demographic structure. Memory cue: age structure helps answer who is present now and what population needs may arise later.

Related tags

Age StructureFuture BirthsDependencyPopulation PlanningProcesses Of Population ChangePopulationGeographyClass 9 Mcq

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