Assemblage is ________________a.a technique for casting where wax is carved then heated after a mold is made, then heated so that the wax melts, leaving an impression.b.an additive process where artists construct work by putting together objects and attaches them in some way.c.a substitution process in which the artist models an image in a soft medium such as wax, and then replaces it with something more durable such as bronze.d.the use of tools to chip away at a base in order to produce the sculpture.