Carved granite spheres, sitting on top of blocks of marble is an example of which type of sculpture?
O contextual
O organic
O gestural
O geometric

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. 

Iwould recommend the attic

The period that marks the paleolithic era is between the 250,000 to 10,000 years.

Perspective is important because it enabled the 3 dimensional world to be translated into the 2d world of the picture plane. this had an immediate impact on the representation of reality in art and design.