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Why is migration important in total population growth?

Answer and explanation

Correct answer: Because people coming or going change the number

Direct answer: A, because people entering or leaving an area change its population. Migration is the movement of people from one place to another. Immigration means people come into a place, while emigration means people leave it. To understand the effect step by step, start with the original population, add immigrants, and subtract emigrants. The result changes even when no births or deaths occur. Therefore migration is one of the processes that can increase or decrease population growth in a region. Option A is correct because it states the real demographic effect of movement. Option B is wrong because migration is a movement of people, not a type of weather. Option C is wrong because migration directly changes the number of residents. Option D is wrong because migration does not change the physical area of a region to zero; it changes the number of people living there. Memory cue: people coming add, people leaving subtract.

Related tags

MigrationTotal Population GrowthPopulation ChangeImmigrationProcesses Of Population ChangePopulationGeographyClass 9 Mcq

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