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).
A, Lenz' Law. There need to be a difference of flux, so if you use AC you will get a current too.
The. 3rd one the ram of the bus
Answer:
There are many topics related to physics such as :
Kinematics
Dynamics
Light
Sound
The answer is D.<span>longitudinal</span>