A. a protein
hope it is helpful to you
I wish I could help ya, but unfortunately I have no clue what this biology question is.
Its either B or D. That's about all i can do. sorry
The answer is litter carbon dioxide bubbles
I hope that helped
Pupillary response is a physiological response that varies the size of the pupil, via the optic and oculomotor cranial nerve. Involuntary reflex reaction to exposure or inexposure to light—in low light conditions a dilated pupil lets more light into the eye. :)
