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Which statement correctly compares the effect of birth rate and death rate?

Answer and explanation

Correct answer: Birth rate adds and death rate reduces

Correct answer: A. Births add new members to a population, so a higher birth rate tends to increase the population, assuming other factors are unchanged. Deaths remove members from a population, so a higher death rate tends to decrease it. The difference between the number of births and deaths is called natural increase when births exceed deaths, or natural decrease when deaths exceed births. Option A is correct because it gives the opposite effects accurately. Option B reverses both roles. Option C is wrong because birth rate and death rate describe vital events, not migration. Option D is wrong because neither rate measures the physical area of a place. The word “rate” means these events are measured in relation to population and time, not that they are areas. Memory cue: births enter the population; deaths exit it.

Related tags

Birth RateDeath RateNatural IncreaseProcesses Of Population ChangePopulationGeographyClass 9 Mcq

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