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Which option cautiously states the relation between population growth and population density?

Answer and explanation

Correct answer: Growth can raise density if area remains same

Correct answer: A. Population density means the average number of people living per unit of area, often expressed as persons per square kilometre. Population growth means that the number of people changes over time. If the population increases while the area remains unchanged, the number of people per unit area rises, so density increases. The word “can” makes A cautious because density also depends on the area being considered. B is wrong because growth is a change over time, whereas density is a population-area ratio. C is wrong because growth concerns population number, not only area. D is wrong because birth rate is one factor that can affect population change; it is not the definition of density. Memory cue: density asks “how many per area,” while growth asks “how the number changes over time.”

Related tags

Population GrowthPopulation DensityArea RatioGeography ConceptsPopulationGeographyClass 9 Mcq

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