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If births are 500, deaths are 700 and net migration is zero, what will natural change be?

Answer and explanation

Correct answer: Negative 200

Direct answer: Option B, negative 200. Natural change considers only births and deaths; migration is not included in this calculation. Use the formula natural change = births − deaths. Here, 500 − 700 = −200. The negative sign is important because deaths are greater than births by 200. Net migration is zero, so it cannot change this result. Option A, positive 200, reverses the subtraction and incorrectly treats the larger number of deaths as an increase. Option B, negative 200, correctly shows that the population decreases naturally by 200. Option C, positive 1200, adds births and deaths, although deaths must be subtracted. Option D, zero, would be correct only if births and deaths were equal, not when they differ by 200. Memory cue: natural change means births minus deaths; a negative result means deaths exceed births.

Related tags

Natural ChangeBirthsDeathsNegative Population GrowthPopulation GrowthPopulationGeographyClass 9 Mcq

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