Comets are made mostly of ice and dust. As comets get close to the sun, they start to “melt” and release what...? Mcqs

Comets are made mostly of ice and dust. As comets get close to the sun, they start to “melt” and release what...?

(A) Steam and dust

(B) Gas and dust

(C) Steam, gas and dust

(D) None of the above