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When does natural increase occur?

Answer and explanation

Correct answer: When births are more than deaths

The direct answer is A: natural increase occurs when the number of births is greater than the number of deaths. Natural increase considers only the natural processes of birth and death; it does not include migration. To find it, compare births with deaths. If 500 babies are born and 300 people die during a period, the natural increase is 200. Option A is correct because more births add more people than deaths remove. Option B would produce a natural decrease, because deaths exceed births. Option C cannot produce an increase: if there are no births and deaths still occur, the population will not naturally grow. Option D is wrong because a census is a method of counting and recording population, not a cause of population increase. Migration may change the total population, but it is separate from natural increase. Memory cue: natural increase = births minus deaths; births must be greater for the result to be positive.

Related tags

Natural IncreaseBirth RateDeath RatePopulation ChangeProcesses Of Population ChangePopulationGeographyClass 9 Mcq

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