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Two similar plants are used in an experiment. What is the benefit?

Answer and explanation

Correct answer: The comparison becomes fairer

Using similar plants reduces differences in factors such as their size, age, and initial health. Therefore, if one plant is given a treatment, the results can be compared more fairly. Similar plants do not guarantee exactly identical results every time because other factors may still affect growth. Exam tip: In a fair test, change only the factor being investigated and keep the other conditions the same.

Related tags

Fair TestControlled VariablesExperimental ComparisonPlant ExperimentHypothesis And ExperimentationExploration: Entering The World Of Secondary ScienceExploration Entering The World Of Secondary ScienceScience

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