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If natural increase is positive but total population is declining what is the most likely reason?

Answer and explanation

Correct answer: बाह्य प्रवास प्राकृतिक वृद्धि से अधिक है

The direct answer is B. Natural increase is calculated from births minus deaths. If births are greater than deaths, natural increase is positive. However, actual population change also includes migration: actual change is approximately natural increase plus in-migration minus out-migration. Therefore, if more people leave the area than the number added through natural increase, the total population can still decline. For example, a region may gain 1,000 people through births exceeding deaths but lose 3,000 residents through out-migration; the net change is a loss of 2,000. A is wrong because births fewer than deaths would make natural increase negative, contrary to the question. C is wrong because a change in land area does not directly add or remove residents. D is wrong because zero births and deaths would give zero natural increase, not a positive one. Memory cue: natural increase is not the same as total or actual growth.

Related tags

Natural IncreaseOut MigrationActual Population ChangeProcesses Of Population ChangePopulationGeographyClass 9 Mcq

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