Answer:
They are not flat but suggest mass, and they often occupy a realistic landscape, rather than stand against a gold background as some figures do in the art of the Middle Ages. Renaissance art from Northern Europe emphasized precise detail as a means of achieving a realistic work.
(1) A reverent revival of Classical Greek/Roman art forms and styles; (2) A faith in the nobility of Man (Humanism); (3) The mastery of illusionistic painting techniques, maximizing 'depth' in a picture, including: linear perspective, foreshortening and, later, quadratura; and (4) The naturalistic realism of its faces
Step-by-step explanation: