TB CHAP 07 - Mesa Public Schools - Mesa, Arizona

Questions 29–33 refer to the figure above illustrating the results from Engelmann’s investigation. 29. The experiment was designed to determine . a. what wavelengths comprise visible light. b. what colors are contained in visible light. c. if bacteria are attracted to oxygen. d. if photosynthesis releases oxygen. e. none of these. 30. ................
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