You and your friend want to see how changing the type of liquid (e. g. water, milk, orange juice) given to a plant affects how high it grows. What would be the independent variable in this experiment?
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1)the type of plant used
2)the temperature of the air
3)the type of liquid
4)the height of the plant
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You and your friend want to see how changing the type of liquid (e. g. water, milk, orange juice) gi...
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