False. Artists use the "elements of art" and "principles of design" because they have studied what colors, and elements make us humans feel a certain way when we look at their work. For instance, if an artist wanted people to portray sadness in his painting, he might use cool (or dark blues, blues, dark greens, greens) in his painting. The human mind has been known to have feelings of sadness when these "cool" tones are being viewed.
C and D. Pop art has many vibrant colors that are used on many pop culture idols. For example, Andy Warhol does many pop art works. Look him up if you want :)
In the mirrored ball, the objects are varying sizes, which allows certain objects or subjects (ex: man) to appear closer and others farther away (window), creating depth and form.
