1. Which one of the following best describe sublimation? A. A solid melting to a liquid which re solidifies.

B. A solid melting to a liquid which evaporates, the vapor condensing to a liquid and then recrystallizing.

C. The movement of gaseous particles so that they fill the spaces that they occupy.

D. A solid forming a vapor on heating and reforming as a solid on cooling.

E. The bombardment of large molecules by small molecules.