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Which option gives the correct idea of natural increase?

Answer and explanation

Correct answer: Change caused by the difference between births and deaths

Direct answer: Option A is correct. Natural increase means the change in population produced by births and deaths, without including migration. The basic calculation is natural increase = births minus deaths. If births are greater than deaths, natural increase is positive; if deaths are greater, it is negative; if they are equal, natural increase is zero. Option B refers to migration, which concerns people entering and leaving and is a separate component of population change. Option C describes physical area, not the number of people. Option D counts settlements and does not measure demographic change. Total population change may include both natural increase and net migration, so these ideas should not be mixed. For example, a place can have positive natural increase but lose population if many residents move away. Memory cue: natural means births and deaths; migration means movement.

Related tags

Natural IncreaseBirthsDeathsPopulation ChangeProcesses Of Population ChangePopulationGeographyClass 9 Mcq

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