2. A metal ball can pass through a metal ring. When the ball is heated, however, it
will not pass through the ring. What would happen if the ring, rather than the
ball, was heated?
a. The size of the ring's hole increases
b. The size of the ring's hole decreases
c. There will be no change in the size of the hole.
d. The ring's hole diameter becomes the same as that of the ball.​