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Three plants were tested under Red, Green and Yellow light. The growth of the plant was measured in centimeters.

What is the independent variable?

Three plants were tested under Red, Green and Yellow light. The growth of the plant-example-1
User Cylindric
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The independent variable is the light because it can be changed
User Anirudh Sharma
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They're testing to see which will grow the tallest under the certain color of the light
User WinterChilly
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