Who controlled the Western Roman Empire after it fell in the fifth century?

Woodwind and brass instrument players start and stop sounds by

a. opening and closing the throat b. huffing and puffing air through the instrument c. controlling the flow of air with the tongue d. quickly inserting and removing the instrument from the mouth

What is one goal of Rachel Harrison’s sculpture This Is Not an Artwork?

a)  to question the meanings of materials b)  to demonstrate how many different objects the work can balance c)  to introduce a new style d)  to reinforce notions of size, shape, and scale