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If an area's growth rate is rising but its death rate is also rising, which component must be checked further to explain the growth?

Answer and explanation

Correct answer: Birth rate and net migration

The correct answer is A: birth rate and net migration. Population growth depends on both natural change and migration. Natural increase is calculated as births minus deaths, while net migration is immigration minus emigration. If the death rate is rising but the overall growth rate is also rising, planners must check whether the birth rate is high enough to offset the additional deaths, whether immigration has increased, or whether emigration has decreased. Option B, soil colour, is not a direct component of the population-change equation. Option C, river depth, may affect settlement in some contexts but cannot by itself explain the demographic calculation. Option D is insufficient because area size relates more directly to density, not automatically to growth. Memory cue: growth = births − deaths + immigration − emigration.

Related tags

Population GrowthBirth RateDeath RateNet MigrationProcesses Of Population ChangePopulationGeographyClass 9 Mcq

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