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How can population growth in an area be studied most accurately?

Answer and explanation

Correct answer: By jointly analysing births, deaths, migration, age structure and the time period

The direct answer is A: the most accurate study combines births, deaths, migration, age structure and data from an appropriate time period. Population growth is a process, not just a single number. Births and deaths show natural change, while migration shows how people entering or leaving alter the total. Age structure helps us understand the future potential for births, the working population and the demand for services. Comparing data across several dates reveals whether growth is increasing, slowing or changing direction. Option A is correct because it studies both the amount and the causes of change. Option B is inadequate because one year cannot show a trend or explain its causes. Option C may help calculate density, but area alone does not reveal population growth. Option D can influence settlement and livelihoods, but weather by itself cannot measure demographic change. Memory cue: for population change, check births, deaths, migration and time; age structure adds useful interpretation.

Related tags

Population GrowthPopulation ChangeMigrationDemographic AnalysisProcesses Of Population ChangePopulationGeographyClass 9 Mcq

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