Question

twice a number increased by 6 is 20 deIn dim light, your pupil expands to allow more light to enter your eye. In bright light, it contracts. ... More light creates more impulses, causing the muscles to close the pupil. Part of the optic nerve from one eye crosses over and couples to the muscles that control the pupil size of the other eye.​

Answer 1

Answer:

Textbook page or what ??

Answer 2

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