A timeline must include?

What images are featured on the retangular panels along the sides the image above

Symbolic proportion is a. the relative size relationship between religious figures and other part of a work of art. b. the apparent disproportionate relationship between objects within a piece. c. the manipulation of visual characteristics in order to emphasize one specific figure. d. the use of geometric arrangements to show religious imagery or to tell stories. select the best answer from the choices provided

The opening section sounds marchlike, with accented beats and alternations between instrumental groups. eventually, a total change of character marks a short, new section. at approximately which time interval from the beginning does this appear?