These notes are all on the
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What it's saying is that colored pieces of canvases is a piece of art

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. 

They needed different and opinions

The characteristics of pop usually relate to most people in their lives, use craftsmanship, technology and live performances lastly they use trendy toics