Which northern renaissance convention did albrecht dürer use in his self-portrait?

a one-point perspective
b egg tempera paint as a medium
c great attention to detail
d atmospheric perspective

In "thirty are better than one" 1963 by andy warhol describe to what degree this image depicts rhythm or pattern

(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

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.