Zach is conducting an experiment to observe which type of fertilizer will allow a plant to grow the tallest. he put three plants in identical pots and placed them in the same location. He watered the plants each day with the same amount of water. Next, Zach measured the plant growth and then recorded his observations. Which of these is the Test (independent) variable in Zach's experiment?
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Zach is conducting an experiment to observe which type of fertilizer will allow a plant to grow the...
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