Answer:
I really don't know but please if you find the correct answer tell me because I'm eager to know
Answer:
B
Explanation:
The iris controls the amount of light that enters the eye by opening and closing the pupil. The iris uses muscles to change the size of the pupil. These muscles can control the amount of light entering the eye by making the pupil larger (dilated) or smaller (constricted).
It would be the electromagnet because that is how it spins
There is 1 Mg and 2 Cl i think