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What effect can a decline in infant mortality have on population change?

Answer and explanation

Correct answer: More children may survive

Direct answer: A, because infant mortality means the death of infants, and a decline in this rate means that a greater proportion of babies survive. Population change is affected not only by the number of births but also by the number of deaths. When fewer infants die, deaths decrease and more children remain part of the population. This can contribute to population growth, although the final change also depends on births, migration, and deaths at other ages. Option B is wrong because infant survival does not make everyone migrate. Option C is wrong because a lower infant mortality rate says nothing about births becoming zero; births may continue. Option D is wrong because mortality is about people, not the physical area of a region. Memory cue: lower infant mortality means more infants live, not fewer births.

Related tags

Infant MortalityChild SurvivalPopulation ChangeProcesses Of Population ChangePopulationGeographyClass 9 Mcq

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