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In which situation will natural increase be zero?

Answer and explanation

Correct answer: When births and deaths are equal

Direct answer: Option C, when births and deaths are equal. Natural increase means the change in population caused only by births and deaths. It is calculated as the number of births minus the number of deaths during a period. For example, if 500 babies are born and 500 people die, the calculation is 500 − 500 = 0. This does not mean that no one was born or died; it means that the two numbers balance each other. Option A is wrong because migration is not part of natural increase; it is a separate process of population change. Option B is wrong because failing to record births does not make the actual natural increase zero. Option D is wrong because a change in area affects density, not the number of births minus deaths. Remember: natural increase = births − deaths; equal numbers give zero.

Related tags

Natural IncreaseBirths And DeathsPopulation ChangeProcesses Of Population ChangePopulationGeographyClass 9 Mcq

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