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If many workers come to an area because of a development project, which component will be active in short-term population growth?

Answer and explanation

Correct answer: Immigration

The correct answer is A: immigration. Immigration occurs when people enter an area from another place to live or work there. A development project may attract workers quickly, so the area's population can rise in the short term even before births increase. Option A therefore identifies the immediate population-change component. Option B, death rate, measures deaths and cannot describe workers arriving. Option C, birth rate, concerns births; it may affect population over a longer period but is not the direct event described. Option D, natural decrease, occurs when deaths exceed births and would reduce population. A useful distinction is that immigration is an inflow, while emigration is an outflow. Memory cue: people coming in = immigration; people going out = emigration.

Related tags

ImmigrationDevelopment ProjectPopulation ChangeWorkersProcesses Of Population ChangePopulationGeographyClass 9 Mcq

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