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Population explosion is most closely related to which situation?

Answer and explanation

Correct answer: Sharp fall in death rate and birth rate remaining high for long

Answer: A. Population explosion refers to very rapid population growth, especially when the death rate falls quickly while the birth rate remains high for a considerable period. Better health care, sanitation, food supply, and disease control can reduce deaths, but social and economic changes may take longer to reduce births. The difference between births and deaths then becomes large, producing rapid natural increase. B would not create growth if both rates were zero. C changes a physical feature and does not directly determine population growth. D would cause out-migration and could reduce the population of the region rather than produce an explosion there. Memory cue: death rate falls first, birth rate stays high, and the gap creates rapid growth.

Related tags

Population ExplosionDeath RateBirth RatePopulation GrowthPopulationGeographyClass 9 Mcq

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