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If both birth rate and death rate are high, why can population growth be low?

Answer and explanation

Correct answer: Because the difference between the birth rate and death rate may be small

Direct answer: A. Natural population growth is determined mainly by the difference between the birth rate and the death rate. If both rates are high and close to each other, many births are offset by many deaths, so the net increase can remain small. For example, a birth rate of 35 per thousand and a death rate of 32 per thousand gives a natural increase of only 3 per thousand. B is wrong because a high birth rate does affect growth; its effect is reduced when deaths are also high. C is wrong because deaths generally remove people and therefore reduce growth, not increase it. D is factually wrong: births do not make the death rate zero. Migration may also affect total growth, but it is not given here. Memory cue: compare the two rates, not either rate alone.

Related tags

Birth RateDeath RateNatural IncreasePopulation GrowthPopulationGeographyClass 9 Mcq

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