They vibrate back and forth
Answer:
A magnetic field is a vector field that describes the magnetic influence on moving electric charges, electric currents, and magnetic materials. ... Magnetic fields are produced by moving electric charges and the intrinsic magnetic moments of elementary particles associated with a fundamental quantum property, their spin.
The absence of an unbalanced force, an object at rest will stay at rest and an object in motion will stay in motion.
I am going to say D and C.
the answer is b it is composed of protons and neutrons.
hope this helped