The American sculptor __________ was one of the early pioneers of the __________, the first form of art that made motion a basic element.
a. Picasso; constructed sculpture
b. Nevelson; assemblage
c. Hayden; light sculpture
d. Calder; mobile
e. Smithson; earthwork
Question 2
The most permanent painting medium is _________.
a. encaustic
b. fresco
c. oil
d. acrylic
e. watercolor