The lens of the human eye changes shape whenever
A. the rods are dilated
B. the cones are contracted
C. the retina is activated
D. the ciliary muscle is contracted
E. the photoceptors are dilated
D
Psychology
You might also like to view...
When faced with a challenge, Harry, a student with chronically low self-esteem, is likely to
a. work to the best of his ability. b. work as hard as those around him. c. work well enough to get the job done, but no more. d. give up before he has actually started.
Psychology
When you see the symbol "p," it refers to
a. probability. b. population. c. percentile. d. power.
Psychology