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In which direction does death rate work in population change?

Answer and explanation

Correct answer: Toward reducing population

Direct answer: Option D, toward reducing population. Death rate refers to the number of deaths in a population during a specified period, usually expressed in relation to population size. Every death removes one person from the population, so deaths work on the subtracting side of population change. To find the total change, compare births with deaths and then include migration: births and in-migration add people, while deaths and out-migration remove people from an area. Option A is wrong because deaths do not add people. Option B is wrong because death rate measures deaths and does not increase births. Option C is wrong because death rate does not directly cause people to move into an area; in-migration is a separate process. Option D is correct because more deaths, all else being equal, reduce population. Memory cue: birth rate adds, death rate subtracts. The final population can still depend on migration and other conditions.

Related tags

Death RatePopulation DecreaseMortalityPopulation ChangeProcesses Of Population ChangePopulationGeographyClass 9 Mcq

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