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What effect can a fall in death rate have on population change?

Answer and explanation

Correct answer: The reduction in population may become smaller

The correct answer is A: the reduction caused by deaths may become smaller, so population growth may increase. Death rate measures deaths in relation to the population during a period. When the death rate falls, fewer people are removed from the population through death. If births and migration remain unchanged, the population may increase more quickly or decline less quickly. Option A is correct because it describes the direct demographic effect. Option B is wrong because death rate has no rule that makes births zero. Option C is wrong because migration is the movement of people and is not made impossible merely by a lower death rate. Option D is wrong because geographical area is not the same as population size. Improved medical care, sanitation, nutrition, and disease prevention can help lower death rates, but the exact result depends on several conditions. Memory cue: a lower death rate means fewer people are subtracted.

Related tags

Death RatePopulation ChangeHealth FacilitiesDemographyProcesses Of Population ChangePopulationGeographyClass 9 Mcq

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