What does Glen Keane think is the key to creativity? * A. Traveling often so you can see how other people live
B. Working ten hours each day so you can achieve it through hard work and
determination
C. Thinking like a child
D. Going to art museums to look at famous fine art

You'd have to give me options to choose from before i can answer you.

The linear perspective changed the quality of art because it gave art a sense of reality. it gave the illusion that the background and surroundings were actually close and/or far and a sense of depth. linear perspective change the quality of art following its birth the renaissance period as they want the art to be more realistic and they believe one way to achieve it is to use the method of linear perspective. it uses the principle of math to realistically portray space and depth in art.