A substance has a melting point of 80 °C. Which of the following is true for the substance? (5 points)

a) It will also change from a liquid to a gas at 80 °C while the liquid loses energy.

b) It will also change from a liquid to a gas at 80 °C while the liquid gains energy.

c) It will also change from a liquid to a solid at 80 °C while the liquid gains energy.

d) It will also change from a liquid to a solid at 80 °C while the liquid loses energy.