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If 80 people enter and 120 people leave what will net migration be?

Answer and explanation

Correct answer: Negative 40

Direct answer: B, negative 40. Apply the formula net migration = people entering − people leaving. The calculation is 80 − 120 = −40. The negative sign means 40 more people left than entered, so the area experienced a net outflow of 40 people. Option A is wrong because it gives the correct difference with the wrong sign and direction. Option B is correct because it shows both the amount and the fact that out-migration was greater. Option C is wrong because 80 + 120 = 200 represents total movement, not the net balance. Option D is wrong because the two numbers are not equal. Net migration is separate from natural increase, which uses births and deaths. Memory cue: when leaving exceeds entering, net migration is negative.

Related tags

Negative Net MigrationOut-MigrationPopulation ChangePopulation Size And DistributionPopulationGeographyClass 9 Mcq

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