As energy in the form of heat is added to an ice cube, it begins to melt. what causes melting?
a. heat causes the molecules in the ice cube to expand and forces them apart.
b. the transfer of thermal energy to the ice cube causes its molecules to move faster.
c. heat removes thermal energy from the ice cube and causes it to become liquid water.
d. the additional energy causes the bonds between hydrogen and oxygen in the ice cube to break.