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If death rate declines but birth rate remains the same, what will happen to natural increase?

Answer and explanation

Correct answer: Natural increase may rise

Direct answer: A, natural increase may rise. The basic relationship is: natural increase equals the birth rate minus the death rate. Suppose the birth rate stays at the same level, but fewer people die. The numerical gap between births and deaths becomes larger, so the population can increase more rapidly through natural change. This conclusion concerns births and deaths only; migration is not included in natural increase. A is correct because a lower death rate, with births unchanged, can widen the positive gap. B is wrong because the increase would not normally fall for this reason. C is wrong because births are one half of the calculation. D is wrong because migration is a separate component of population change. Memory cue: natural increase = births minus deaths.

Related tags

Death Rate DeclineNatural IncreaseBirth RateDemographic ChangeProcesses Of Population ChangePopulationGeographyClass 9 Mcq

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