Sarah is in charge of lighting for a school play, and she must find the right gel, or color filter, to produce a light with a wavelength of about 680 nm. When used on stage, the light will look
a. violet.
b. green.
c. yellow.
d. red.
Question 2
Which of the following structures is part of the basal ganglia?
a. the red nucleus
b. the putamen
c. the cerebellum
d. the reticular formation