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Sally wants to see which fertilizer makes tomato plants grow the tallest. She use 3 types (A, B, C) and leaves one group in soil without any fertilizer. Identify the independent variable, dependent variable, and the control group in this experiment.

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Answer:

Independent: The types of fertilizer. (Independent I Change)

Dependent: The plants height. (Dependent is Dependent on the Independent)

Control: The Type of plants (What isn't being changed throughout the experiment.)

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