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Which option is not a process of population change?

Answer and explanation

Correct answer: Soil colour

Direct answer: Option D, soil colour. Population change means a change in the number of people living in a place. The main processes are birth, death and migration. Birth adds people to a population. Death removes people. Migration changes the number when people move into or out of an area: in-migration increases the population and out-migration decreases it. Soil colour is a physical feature of land; it does not itself add people, remove people, or move people. Therefore it is not a process of population change. Option A is wrong because births increase population. Option B is wrong because deaths decrease population. Option C is wrong because migration changes the population of both the place people leave and the place they enter. Option D is correct because soil colour is unrelated to the demographic processes asked about. Memory cue: B-D-M—Births, Deaths and Migration change population; land colour does not.

Related tags

Population ProcessDemographic ChangeBirth Death MigrationProcesses Of Population ChangePopulationGeographyClass 9 Mcq

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