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Which is the simplest correct statement for population change?

Answer and explanation

Correct answer: It happens due to births, deaths and migration

Direct answer: C. Population change means a change in the number of people living in a place over time. The three basic processes that determine it are births, deaths, and migration. Births add people, deaths remove people, in-migration adds people from elsewhere, and out-migration removes people who leave. In a compact formula, change depends on births minus deaths plus net migration. Option A is wrong because changing the land area does not itself create or remove people, though it may affect density. Option B is wrong because weather may influence living conditions but is not the complete basis of population change. Option D is wrong because language is a cultural feature, not a direct population-count process. Memory cue: remember B-D-M—births, deaths, migration—as the three core processes.

Related tags

Population ChangeBirthsDeathsMigrationProcesses Of Population ChangePopulationGeographyClass 9 Mcq

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