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Which process can increase the population of an area?

Answer and explanation

Correct answer: Births and in-migration

Direct answer: Option A is correct. Births and in-migration both add people to an area. Step one: each birth adds a new person to the local population. Step two: in-migration brings people from another place into the area. Since both are additions, they can increase the population when other factors do not cancel the increase. Option B is wrong because deaths remove people and out-migration takes residents away. Option C contains one increasing process, births, but also one decreasing process, out-migration, so it is not the pair that directly increases population. Option D also mixes a decrease, deaths, with an increase, in-migration. Remember the balance rule: population change depends on additions minus reductions; births and arrivals are additions, while deaths and departures are reductions.

Related tags

Population IncreaseBirthsIn-MigrationPopulation ChangeProcesses Of Population ChangePopulationGeographyClass 9 Mcq

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