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In which condition can natural increase be positive but total population change be negative?

Answer and explanation

Correct answer: When births exceed deaths but out-migration is even greater

Direct answer: B. Natural increase equals births minus deaths. It is positive when births are greater than deaths. However, total population change also includes migration. If many more people leave than enter, net migration is negative. That negative migration can be larger than the positive natural increase, causing the total population to fall. B describes both required facts: births exceed deaths, but out-migration exceeds the natural gain. A would normally add people and does not create a decline. C says deaths exceed births, so natural increase is negative, contrary to the question. D produces zero natural increase and zero migration, so total change is zero. Memory cue: a population can grow naturally but shrink overall when the loss through out-migration is larger.

Related tags

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

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