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If many people leave an area what may happen?

Answer and explanation

Correct answer: Population may decrease

Answer: B, the population may decrease. When many people leave an area, the movement is called out-migration. The people who leave are no longer counted as residents of that area, so their departure can reduce its population. Option B is correct because it says “may decrease,” not “must decrease.” The final result also depends on people moving in, births, and deaths. Option A is incorrect because a large outflow does not guarantee population growth. Option C is incorrect because migration does not stop deaths; death is a separate natural process. Option D is not a meaningful demographic statement: birth rate measures births in relation to population and cannot become an area. The effect is about the number of residents, not the physical area of the place. Memory cue: out-migration takes people out; in-migration brings people in.

Related tags

Out MigrationPopulation DecreaseDepartureDemographyProcesses Of Population ChangePopulationGeographyClass 9 Mcq

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