Which of the following statements best explains why magnets usually stick to a refrigerator door?
The refrigerator door is smooth. The refrigerator door contains iron. The refrigerator door is a good conductor. The refrigerator door has electric wires in it.
Question: Which of the following statements best explains why magnets usually stick to a refrigerator door?
A. The refrigerator door is smooth.
B. The refrigerator door contains iron.
C. The refrigerator door is a good conductor.
D. The refrigerator door has electric wires in it.
Answer: