Marcel Duchamp was the most radical of the DADA artists. He is best known for presenting mass-produced objects as artworks, calling them readymades. He even went so far as to draw a mustache and beard on the face of the Mona Lisa.

Whose conceptual art projects tend to overawe the viewer, relate to the landscape, bring out crowds and the media, and stir up controversy?

A. Maya Ying Lin B. Rachel Whiteread C. Christo and Jeanne-Claude D. Dan Flavin

Complementary harmony results from

A. variations of the same hue, with differences in value and intensity. B. the use of three colors equidistant from each other on the color wheel, such as the primary colors red, yellow, and blue. C. the use of colors adjacent to one another on the color wheel, such as red, red-orange, and orange. D. the use of colors directly opposite one another on the color wheel, such as red and green.