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When population decreases, what can it be called?

Answer and explanation

Correct answer: Population decline

The direct answer is A: population decline. Population means the number of people living in a particular place, while decline means a decrease. To solve this, compare the population at an earlier time with the population at a later time. If the later number is smaller, the population has declined. Option A is correct because “population decline” directly describes a fall in the number of people. Option B is wrong because a population explosion means very rapid population growth, which is the opposite of a decrease. Option C is wrong because population density means the number of people living per unit of area; it does not itself mean that the total population is falling. Option D is wrong because population distribution describes how people are spread across different places. Memory cue: decline means down, whereas explosion means rapid increase.

Related tags

Population DeclinePopulation DecreasePopulation GrowthPopulationGeographyClass 9 Mcq

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