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What is necessary to understand population growth?

Answer and explanation

Correct answer: Initial and final population

The correct answer is B: the initial and final population are necessary for a basic comparison. First find how many people were present at the beginning of the chosen period and how many were present at the end. The numerical change is final population minus initial population. For example, if a place rises from 10 lakh to 12 lakh people, the increase is 2 lakh. A percentage growth rate would additionally require the time period, but the two population totals are still the starting evidence. Option A is about vegetation, not human population. Option B is correct because both figures show the direction and amount of change. Option C only identifies a water feature. Option D describes a visual property of a mountain. Memory cue: to measure change, compare “before” with “after.”

Related tags

Initial PopulationFinal PopulationGrowth CalculationPopulation GrowthPopulationGeographyClass 9 Mcq

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