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Why should total population and population composition be understood separately in population change?

Answer and explanation

Correct answer: Because the total number can remain the same while age, skill and sex composition changes

The direct answer is A. Total population tells us how many people live in a place, whereas composition tells us about the characteristics of those people, such as age, sex, education and skills. These are different dimensions. For example, ten young workers may leave an area and ten older people may arrive. The total remains unchanged, but the age structure, available skills and dependency needs change. This difference matters because a place with many children needs schools, while a place with many older people needs health care and social support. A is correct because it captures this distinction. B is wrong because composition is essential for planning. C is wrong because births, deaths and migration can change total population. D is wrong because migration changes population distribution and composition, not merely weather. Memory cue: number answers “how many”; composition answers “who are they?”

Related tags

Population CompositionPopulation ChangeDemographic PlanningProcesses Of Population ChangePopulationGeographyClass 9 Mcq

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