Music appreciation: in beethoven's  fifth symphony,  the third movement moves through several different keys as it approaches the triumphant c major of the fourth movement. this movement through keys is known as                a.  modulation.      b.  recapitulation.      c.  sonata form.      d.  tonality.

This movement through keys is known as A. modulation.
Modulation refers to the changing of one key, which can be tonic or tonal center, onto another, which fits your description. Recapitulation refers to sections of movements within a sonata; Fifth Symphony is a symphony, not a sonata form; tonality refers to pitches and chords, not keys.

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. 

Ibelieve it is called classical  sculpture