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What result is possible in population change when death rate declines?

Answer and explanation

Correct answer: Possibility of population growth may increase

Correct answer: A, population growth may become more likely. Population change depends mainly on births, deaths, and migration. If the death rate declines while births and other conditions remain unchanged, fewer people die and more people survive. Therefore, the difference between births and deaths can become larger, allowing the population to increase. This is a possibility, not an absolute result, because out-migration or a very low birth rate could affect the final number. Option A is correct because a lower death rate can add to population growth. Option B is wrong because death rate and birth rate are different measures; a fall in deaths does not make births zero. Option C is wrong because migration means movement of people and its meaning does not change when death rates change. Option D is wrong because death rates do not directly change the physical area of a region. Memory cue: fewer deaths means more survivors; always check births and migration before deciding the exact population change.

Related tags

Death RatePopulation GrowthSurvivalPopulation ChangeProcesses Of Population ChangePopulationGeographyClass 9 Mcq

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