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Why is it useful to study population growth and population density together?

Answer and explanation

Correct answer: Growth shows future demand and density shows spatial pressure

Direct answer: A is correct. Population growth tells us how quickly the number of people is changing over time. Population density tells us how many people live in a unit of area, so it shows how people are distributed and where pressure may be concentrated. When studied together, growth helps planners estimate future needs, while density helps identify places that may need more housing, water, schools, transport, hospitals or jobs. A is correct because it combines the time dimension of growth with the spatial dimension of density. B is wrong because birth rate is only one demographic measure. C is wrong because neither growth nor density is simply a migration rate. D is wrong because both indicators are useful for planning. Memory cue: growth means change through time; density means concentration in space.

Related tags

Population GrowthPopulation DensityPlanningPopulationGeographyClass 9 Mcq

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