_____(1) _____ are made by heating sand silica until it melts into a liquid state. The melted glass can then either be shaped by _____(2) _____ the liquid glass or by pouring the melted glass into a mold. The shape and size of the finished piece depends on the tools and method used by the artist. A. (1) Glass pieces of art; (2) condensing b. (1) Fiber crafts; (2) hammering c. (1) Glass crafts; (2) blowing d. (1) Fiber pieces of art; (2) shaping Please select the best answer from the choices provided A B C D.