Biology, 09.06.2021 16:10 gabbytumey

Students are studying the length of time that different battery brands can keep flashlights operating. Which of these should remain constant in this investigation?
A. The length of time
B. The color of the flashlights
C. The type of flashlights
D. The brand of the batteries

Answers: 3

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Students are studying the length of time that different battery brands can keep flashlights operati...