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If births are high but out-migration is also very high, what can happen to local population?

Answer and explanation

Correct answer: Local population may even decline

Correct answer: A, the local population may even decline. High births add people, but very high out-migration removes people from the area. The final result depends on the size of both effects, as well as deaths and in-migration. If the number leaving is greater than the number added by births, the local population decreases. If the two effects are equal, the population may remain unchanged; if births are greater, it may rise. Option A is correct because it allows for this balance and correctly says “may.” Option B is wrong because high births do not guarantee that the population will double. Option C is wrong because out-migration does not make the death rate zero. Option D is wrong because people leaving do not automatically cause others to enter. Memory cue: compare additions with losses instead of looking at births alone.

Related tags

Out-MigrationBirthsLocal PopulationPopulation BalanceProcesses Of Population ChangePopulationGeographyClass 9 Mcq

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