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What can be a main direct reason for population increase?

Answer and explanation

Correct answer: More births

Correct answer: B, more births. Population changes through births, deaths and migration. If births add more people than deaths remove, and other factors do not reverse the change, the population increases. In a basic question asking for a direct reason, a higher number of births is therefore the best answer. A is wrong because more deaths generally reduce population, unless another factor is larger. B is correct because each birth adds a person to the population. C is wrong because having fewer people describes a decrease rather than a cause of increase. D is wrong because a decrease in area can raise density if the same people remain, but it does not by itself add people to the population. Memory cue: births add, deaths subtract; migration can add or subtract depending on direction.

Related tags

BirthsPopulation IncreaseGrowthPopulation GrowthPopulationGeographyClass 9 Mcq

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