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If birth rate is falling but death rate is falling faster, why can population growth continue initially?

Answer and explanation

Correct answer: Because the birth rate may still be higher than the death rate

Correct answer: A. Natural population growth depends on the difference between births and deaths, not merely on whether both rates are falling. Suppose the birth rate falls from 30 to 25 per thousand, while the death rate falls from 10 to 6 per thousand. The difference is still positive: 25 − 6 = 19, so the population can continue to increase. B would describe zero natural increase only if the two rates were equal. C would produce natural decrease because deaths would exceed births. D is wrong because a falling birth rate can still leave births above deaths. Migration may also affect total growth, but the question focuses on the birth–death relationship. Memory cue: compare the two rates; falling does not automatically mean negative.

Related tags

Birth RateDeath RateNatural IncreasePopulation GrowthPopulationGeographyClass 9 Mcq

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