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If there are 100 births and 160 deaths, what will the natural change be?

Answer and explanation

Correct answer: Decrease of 60

Direct answer: B, a decrease of 60. Natural change is found by subtracting deaths from births: 100 − 160 = −60. The negative result means deaths are greater than births by 60, so the population experiences a natural decrease of 60 people. B states this meaning correctly. A, an increase of 60, reverses the sign and would be correct if births exceeded deaths by 60. C, an increase of 260, adds the two figures and ignores that deaths reduce population. D, zero, would require births and deaths to be equal. This calculation concerns natural change only; migration could alter total population separately. Common-confusion warning: a negative numerical result should be expressed as a decrease, not as a positive increase.

Related tags

Natural DecreaseBirthsDeathsNegative Population ChangeProcesses Of Population ChangePopulationGeographyClass 9 Mcq

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