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In which situation can total change be zero despite positive natural increase?

Answer and explanation

Correct answer: When out-migration equals natural increase

Direct answer: A is correct. Positive natural increase means births exceed deaths by a certain amount. Total population change becomes zero when an equal number of people leaves the area, assuming there is no additional net inflow. In formula form, total change equals natural increase plus net migration. If natural increase is +500 and net migration is −500 because out-migration exceeds in-migration by 500, the total is 0. Option B would usually add even more people and increase the total. Option C may make natural increase larger, not cancel it. Option D may also increase natural increase, but it gives no balancing outflow. The important point is that a positive component can be exactly offset by an equal negative component. Memory cue: equal gains and losses produce zero net change.

Related tags

Positive Natural IncreaseOut-MigrationZero Population ChangeProcesses Of Population ChangePopulationGeographyClass 9 Mcq

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