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Which option shows scale error in interpreting population change?

Answer and explanation

Correct answer: Assuming national total population increased due to internal migration

The correct answer is A: assuming that internal migration increases the national total population is a scale error. First identify the scale being studied. Internal migration means people move from one part of a country to another, such as from a village to a city. The village loses people and the city gains people, so the distribution changes. However, the country has neither gained nor lost those people because they have remained within its borders. At the national scale, population changes through births, deaths, immigration from another country, and emigration to another country. A is wrong because it confuses a local or regional increase with a national increase. B is correct because international immigration brings people into the country. C is correct because out-migration can reduce a village population. D is correct because in-migration can increase a city population. Memory cue: internal movement redistributes people; international movement can change the national total.

Related tags

Scale ErrorInternal MigrationNational PopulationProcesses Of Population ChangePopulationGeographyClass 9 Mcq

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