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Population growth rate can be expressed in which form?

Answer and explanation

Correct answer: In percentage

Direct answer: A, in percentage. A growth rate describes the amount of change compared with a starting population, so it is commonly expressed as a relative value. To calculate a simple percentage increase, find the change, divide it by the original population, and multiply by 100. For example, if a population rises from 1,000 to 1,100, the increase is 100; 100 divided by 1,000 and multiplied by 100 equals 10%. Option A is correct because percentage shows relative change. Option B is wrong because kilograms measure mass. Option C is wrong because metres measure length or distance. Option D is wrong because litres measure volume. None of those units expresses population growth rate. Memory cue: a rate of increase is commonly written with the percent sign, although some demographic rates may also use other stated conventions.

Related tags

Growth RatePercentagePopulation ChangePopulation GrowthPopulationGeographyClass 9 Mcq

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