What scientific innovation occurred that affected the art that was produced during this period?

Which of the following is not typical of medieval music? monophonic or polyphonic often not written down religious in nature mainly instrumental

(i think my answer is a, am i correct? ) a pentagonal traffic sign is a sign. a. school crossing b. parking c. wrong way d. yield

Amuseum curator determines that the best way to make an eleventh-century stone sculpture accessible to a wide range of viewers is to