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What is decadal population growth related to?

Answer and explanation

Correct answer: Population change over ten years

Direct answer: A. “Decadal” means relating to a period of ten years. Therefore, decadal population growth describes the change in population during one ten-year period. To understand it, compare the population at the beginning of the decade with the population at the end. The difference shows the numerical change; a percentage can also be calculated using the beginning population as the base. A is correct because it directly describes this measure. B is about river length, a physical measurement. C is about mountain height, also a physical feature. D is about languages and does not measure population change. Memory cue: decade means ten years, so decadal growth means ten-year growth.

Related tags

Decadal GrowthTen YearsPopulation ChangeGeographyPopulation GrowthPopulationClass 9 Mcq

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