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what are some good 12th grade science fair projects that have something to measure and 3 variables to test?
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what are some good 12th grade science fair projects that have something to measure and 3 variables to test?

User Matt Lavin
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Answer:

Doing an experiment on which fertilizer makes plants grow faster for example you get organic fertilizer and chemical fertilizer and no fertilizer measure them to see wich one grows higher

Step-by-step explanation:

User Patc
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