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If the death rate falls and the birth rate remains unchanged, what will happen to natural increase?

Answer and explanation

Correct answer: Natural increase will rise

Answer: A, natural increase will rise. Natural increase is the difference between the birth rate and the death rate, or conceptually between births and deaths. If the birth rate stays unchanged while the death rate falls, fewer people are dying in comparison with the same number of births. The gap between births and deaths therefore becomes larger, so natural increase rises. Option B is not necessarily true; natural increase is zero only when births and deaths are equal. Option C is false because migration is separate from natural increase. Option D is false because natural increase remains directly related to births and deaths. For example, if births remain 20 per thousand while deaths fall from 10 to 6 per thousand, the difference rises from 10 to 14 per thousand. Lower death rate generally means a larger natural increase when births are unchanged.

Related tags

Death RateNatural IncreaseBirth RatePopulation ChangeProcesses Of Population ChangePopulationGeographyClass 9 Mcq

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