Why are red, blue, yellow considered a primary colors

How did brunelleschi solve his problem with the dome of the florence cathedral? a. he created an outer support shell. b. he created many layers of support within the dome. c. he created external supports for the dome. d. all of the above

What is the main element that sets western art criticism apart apart from that of the rest of the world

Women did not create visual arts until the mid-19th century