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Which option gives the correct reason for studying migration and natural increase together?

Answer and explanation

Correct answer: Total population change can result from the combined effects of both

Direct answer: A is correct. Population change has more than one component. Natural increase is the difference between the number of births and the number of deaths during a period. Migration changes population through people entering an area and people leaving it. Therefore, to understand the total change in a place, we should study both the natural increase and the migration balance. Option A correctly describes their combined effect. B is wrong because migration does not automatically change the number of births minus deaths to zero. C is wrong because births and deaths directly define natural increase. D is wrong because area is not itself population growth; area may be used in density calculations. Memory cue: total change is linked to births, deaths, and movement of people.

Related tags

MigrationNatural IncreasePopulation ChangeProcesses Of Population ChangePopulationGeographyClass 9 Mcq

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