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What directly affects population growth the most?

Answer and explanation

Correct answer: Births, deaths and migration

Direct answer: Option A is correct. Population change is directly determined by three main demographic processes: births, deaths, and migration. Births add people to a population, while deaths remove people. Migration changes the population of a particular area because people may enter it or leave it. In simple form, population change depends on births minus deaths, together with the balance between people entering and leaving. If additions are greater than removals, population grows; if removals are greater, it declines; and if they balance, it may remain stable. Option B may influence settlement indirectly in some places, but mountain height itself is not the direct demographic calculation. Options C and D are sensory descriptions and do not measure population change. Memory cue: births add, deaths subtract, migration moves people in or out.

Related tags

BirthsDeathsMigrationPopulation ChangeProcesses Of Population ChangePopulationGeographyClass 9 Mcq

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