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If births are more than deaths but out-migration is also very high, how is the actual population change determined?

Answer and explanation

Correct answer: By the combined effect of births, deaths, in-migration and out-migration

Direct answer: Option B is correct. Population change is not decided by births alone. First, natural change is found by subtracting deaths from births: natural change = births − deaths. Then migration is included. In-migration adds people to the area, while out-migration removes people from it. Therefore, actual population change = births − deaths + in-migration − out-migration. For example, if births exceed deaths by 500 but 800 more people leave than enter, the actual change is 500 − 800 = −300, so the population decreases by 300. Option A is wrong because it ignores deaths and migration. Option C is wrong because area helps calculate density but does not by itself change the number of people. Option D is wrong because weather may influence movement, but it is not the population-change calculation. Remember: count natural increase and net migration together.

Related tags

Population ChangeNatural IncreaseMigrationProcesses Of Population ChangePopulationGeographyClass 9 Mcq

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