What black artist was largely avoided by MTV?

According to Hildegard, the visions she recorded in Scivias came to her from

A. conversations with the nuns in her convent. B. communication with the pope. C. a voice from heaven. D. her rational analysis of Holy Scripture.

Which material usually takes the place of the wax in lost-wax casting?

a)  bronze b)  wood c)  clay d)  plaster