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Which question is most useful for understanding population growth?

Answer and explanation

Correct answer: How much did the population change over a period?

Correct answer: A. Population growth is the change in the number of people over a specified period. To understand it, we compare the population at two different times and find whether it increased or decreased and by how much. A asks exactly for this time-based change. B gives only the present population; without an earlier figure or a time period, it describes population size, not growth. C gives the area of land, which may help calculate density but does not itself show growth. D identifies a city and gives no information about population change. A useful memory cue is: growth always needs comparison—population now versus population earlier, over a stated period.

Related tags

Population GrowthPopulation ChangeTime PeriodDemographyPopulationGeographyClass 9 Mcq

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