The shift from Greek Old Comedy to Greek Middle Comedy seems to have come about, at least in part, because of changes in

Artists will often add ________ to provide interest and enliven the unity of a work of art.

A. vanishing points B. golden rectangles C. variety D. primary colors

The four operas included in Der Ring des Nibelungen take a total of approximately eighteen to twenty hours to perform.

Answer the following statement(s) true (T) or false (F)