Which materials were used in cathedrals and paintings of the middle ages or byzantine empire?   choose all answers that are correct.     a. blocks of stone     b. steel beams     c. stained glass     d. egg tempera  

Type the correct answer in the box. spell all words correctly. what did german psychologists develop in the 1920s to describe how people tend to organize visual elements into groups? describe how people tend to organize visual elements into groups, or unified wholes, when applying certain principles.

Portraits are considered extremely important in early history because they were ?

When did gothic art peak what century.