Answer:-
Controlling variables means keeping certain factors constant in an experiment so they don’t affect the outcome. These are called control variables. They help ensure that the results of your experiment are due to the independent variable—the one you're testing—and not something else. For example, if you're testing how sunlight affects plant growth, you’d control other variables like water, soil type, and pot size. By keeping these the same, you can be more confident that any changes in plant growth are due to sunlight alone. Controlling variables is important for making experiments fair, accurate, and reliable.
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