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You want to see if playing music makes plants grow taller. you play the music at the same time each day. what is the control variable in this experiement?
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You want to see if playing music makes plants grow taller. you play the music at the same time each day. what is the control variable in this experiement?

User Amin Kiany
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Music is an independent variable in this case. The height is dependent, making the amount of water or sunlight the control variable
User Hackerman
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