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Wendy added the same amount of water to two plants of the same variety. she placed them in the sun and added fertilizer to one plant but not to the other. she recorded the height of the plants after a week. what is the independent variable in the study? time fertilizer height of plant volume of water
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Wendy added the same amount of water to two plants of the same variety. she placed them in the sun a...
History, 10.08.2021 16:50