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What is the meaning of decadal population growth?

Answer and explanation

Correct answer: Growth in ten years

Direct answer: Option C, growth over ten years, is correct. The word “decadal” is related to “decade,” and a decade means ten years. Therefore, decadal population growth is the change in population measured over a ten-year period, often by comparing the population at the beginning and end of that period. Option A is wrong because one year is an annual period. Option B is wrong because five years is only half a decade. Option D is wrong because twenty years contains two decades, not one. The term describes the time interval; the actual change may be calculated as an absolute number or percentage. Memory cue: decade = ten, so decadal = ten-year.

Related tags

Decadal GrowthTen YearsPopulation GrowthPopulationGeographyClass 9 Mcq

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