Students place paper clips on a desk and then hold a magnet under the desk. What evidence would BEST show that the magnetic field was able to pass through the desk?
O A The top of the desk is made of a kind of plastic.
OB. The paper clips move when the magnet is moved under the desk.
OC. The magnet they are using is the largest one in the classroom.
OD. The students were able to pick up these paper clips with a magnet.