How did the artist, duchamp, use movement in the piece above entitled, descending a staircase?

Which rule of composition applies to portraits? a. lead the eye the eyeline rule c. the rule of odds d. use of lines e. rule of thirds

Samantha is preparing an essay on renaissance art. samantha complete the sentence to describe a significant contribution made by renaissance artists to the evolution of art. renaissance artists revived interest in the of 1) a. architecture 1) b. philosophies 1) c. pottery 2) a. egyptian tombs 2) b. plato and aristotle 2) c. sumerian temples

(this is for asl class) what was ludwig van beethoven's contribution to the deaf community?