You are presented with the question "What attracts two things together" and the following answer choices: 
- gravity
 - physics
 - heat energy
 - sperm
 - ferns
 - magnetism
 - sugar
 - electrically

Now knowing that magnetism can cause objects to repel each other and magnetic: When an object is attracted to or sticks to a magnet, the object is called a magnetic, choose the best answer.


 

      magnetism   