Which statement best describes a difference between leonardo da vinci's virgin of the rocks and sofonisba anguissola's the chess game?

virgin of the rocks is a fresco so it has a chalky appearance; the chess game is egg tempera, and has a velvety sheen.

leonardo's use of sfumato makes the edges of the figures blend into the shadows; anguissola's figures have sharp outlines.
leonardo exaggerated the proportion of the figures; anguissola painted figures with lifelike proportion.
leonardo used one-point perspective to create the illusion of depth.