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What caution is necessary while comparing population density?

Answer and explanation

Correct answer: Check both population and area

The direct answer is A: while comparing population density, check both population and area. Density is a ratio, not just a population count or a place name. The formula is \\(\text{density}=\frac{\text{population}}{\text{area}}\\). Step by step, note the population of each area; note the area of each place in the same unit; divide population by area; then compare the results. Option A is correct because both required figures are included. Option B is wrong because the name of an area gives no numerical density. Option C is wrong because language does not provide the population-to-area ratio. Option D is wrong because weather alone cannot calculate density. Use the same units and remember that a large population can still have low density if the land area is much larger. Exam cue: never compare density from population alone.

Related tags

Density ComparisonPopulationArea

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