Choices: (a). gravity. (b). physics. (c). heat energy. (d). sperm. (e). ferns. (f). magnetism. (g). sugar. (h). electrically.

Fact 1: Magnetism can cause objects to repel each other. Fact 2: Magnetic: When an object is attracted to or sticks to a magnet, the object is called a magnetic. Given the two facts above, what attracts two things together?
Answer:
(f).