The appearance of the visible spectrum of the sun, when its light is separated in its component colors, is a

Take the tour on this website and describe three pieces in the art collection of the early cities. (site 1)

Poussin was responsible for establishing what as a key component of 17th century french art

(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