Which statement indicates that denim jeans are a classic? a. they are in the decline stage of the fashion life cycle. b. they are always in demand, regardless of current trends. c. they became obsolete, but they are back in fashion now. d. their life cycle had a short-lived peak stage.

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. 

It should be classical period