The following questions refer to the figure above illustrating the results from Engelmann's investigation.
-Engelmann's 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.

Question

The following questions refer to the figure above illustrating the results from Engelmann's investigation.
-Engelmann's 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.

Quizplus · Accepted Answer

The Answer of  The following questions refer to the figure above illustrating the results from Engelmann's investigation.
-Engelmann's 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.

The Following Questions Refer to the Figure Above Illustrating the Results