PLEASE HELP! WILL MARK!

Magnetic domains are which of the following?
A. a type of magnetic pole
B. created by stationary charges
C. regions within some types of magnetic materials
D. a way to prevent magnetic fields from entering a region



Which of the following is a true statement about magnetic fields?
A. They must always form complete loops.
B. They point from south pole to north pole.
C. They can be created only by magnetic domains.
D. They point from positive charges to negative charges.



What must be true about the domains in a powerful iron magnet?
A. There are very few of them.
B. Most atoms are magnetically aligned.
C. The domains have been forced out of the magnet.
D. Additional domains have been created by the magnetic field.



Which of the following describes how a stationary proton will interact with magnetic fields?
A. It will both be affected by magnetic fields and create magnetic fields.
B. It will neither be affected by magnetic fields nor create magnetic fields.
C. It will be affected by magnetic fields but will not create a magnetic field.
D. It will not be affected by magnetic fields but will create a magnetic field.