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What is the correct difference between population growth and population density?

Answer and explanation

Correct answer: Growth is change over time, and density is population per unit area

Direct answer: A. Population growth describes how the number of people changes over time, for example between two censuses. Population density describes how many people live in a unit of area; its basic formula is population divided by area, often expressed as people per square kilometre. Option A is correct because it gives both definitions accurately. Option B is wrong because area is used in calculating density, but growth is not simply area and density is not rainfall. Option C is wrong because birth rate is only one factor affecting growth and is not the definition of density. Option D is wrong because both ideas are directly related to people: growth concerns change in number, while density concerns concentration in space. Memory cue: growth asks “how is the number changing?”; density asks “how many people are packed into an area?”

Related tags

Population GrowthPopulation DensityPopulation ConceptsPopulationGeographyClass 9 Mcq

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