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What is the main benefit of expressing population growth rate in percentage?

Answer and explanation

Correct answer: It makes comparison of differently sized populations easier

Answer: A, percentage growth makes comparison between populations of different sizes easier. Absolute growth tells us the actual number added, while percentage growth tells us how large that increase is compared with the starting population. For example, an increase of 10,000 may be very large for a town of 20,000 but small for a city of 10 lakh. Using percentage gives a common relative measure. A is correct because it removes much of the misleading effect of population size. B is wrong because a percentage calculation does not change the physical area. C is wrong because birth rate remains an important demographic measure and is not replaced by percentage growth. D is wrong because population data are still needed to calculate and check growth rates; a percentage does not replace a census. Memory cue: absolute growth counts added people; percentage growth compares the increase with the original population.

Related tags

Growth RatePercentageComparisonAbsolute GrowthPopulation GrowthPopulationGeographyClass 9 Mcq

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