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In which situation can total population increase despite natural decrease?

Answer and explanation

Correct answer: In-migration is greater than the natural decrease

The direct answer is A. Natural decrease occurs when deaths are greater than births, so the population loses people through natural change. However, total population also depends on migration. If the number of people moving into the area is greater than the natural decrease, the gain from in-migration can more than compensate for the natural loss. For example, if natural decrease is 1,000 but 1,500 people migrate into the area, the total population still rises by 500. B is wrong because out-migration removes additional people. C cannot produce an increase because it adds no people and births are zero. D is wrong because high deaths and out-migration both reduce population. Memory cue: total change = natural change + migration change.

Related tags

Natural DecreaseIn-MigrationTotal Population ChangeProcesses Of Population ChangePopulationGeographyClass 9 Mcq

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