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A scientist burns samples of beets and potatoes to
compare how much energy each contains. How can
the scientist make this a controlled experiment?
A. Use the same mass of beets and potatoes
B. Use beets that are much larger than the
potatoes
C. Not use any responding variables
D. Make sure the beets and potatoes give off
the same amounts of energy
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Answers: 3
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A scientist burns samples of beets and potatoes to
compare how much energy each contains. How can
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