Which of the following statements provides evidence that magnets are two-sided? a. Magnets contain tiny magnets inside them, each with a North Pole and a South Pole. b. One end of a magnet attracts one end of second magnet and repels the other end of the second magnet. c. An unrubbed nail is attracted to either end of a magnet-rubbed nail. O Statements b and c 0 Statement c (Q Statement b O Statements a, b, and c 0 Statement a