Massacre at Chios is sympathetic to

Miles Davis made his first cool-style recordings in

a. 1949 b. 1950 c. 1954 d. 1957

How does treating the drawing surface with a solution of gum arabic and acid make the lithographic process possible?

a)  It surrounds the greasy image with a solution that attracts water but not ink. b)  It produces a stencil that can then be used to print multiple times. c)  It eats away at the greasy image, creating grooves below the surface that hold the ink. d)  It acts as a light-sensitive gelatin that allows the passage of ink.