A. closes and opens the eye
B. Absorbs dangerous rays from sunlight
C. regulates the amount of light entering the eye
D. bringing light rays to focus on the retina
Correct Answer: Option C
C. regulates the amount of light entering the eye
A. closes and opens the eye
B. Absorbs dangerous rays from sunlight
C. regulates the amount of light entering the eye
D. bringing light rays to focus on the retina
Correct Answer: Option C
C. regulates the amount of light entering the eye
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