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What is the best simple way to understand population change?

Answer and explanation

Correct answer: By considering births, deaths, in-migration and out-migration together

Direct answer: Option A is correct. Population change means a change in the number of people living in a particular area over a period of time. To understand it, we must consider both processes that add people and processes that remove people. Births add new members, while deaths reduce the number of people. In-migration means people enter the area from another place, so it adds people. Out-migration means people leave the area, so it reduces the local population. Option B is wrong because a river’s name does not measure population change. Option C is wrong because mountain height is a physical feature, not a population process. Option D is wrong because soil colour alone cannot show whether population has increased or decreased. Memory cue: add births and in-migration; subtract deaths and out-migration.

Related tags

Population ChangeBirthDeathMigrationGeographyProcesses Of Population ChangePopulationClass 9 Mcq

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