30 points !
which of these is not a type of color scheme

autochromatic
monochromatic
colorless
polychromatic

autochromatic

Explanation: I took the test (digital arts 1) this was the correct answer :)

answer; i believe that the correct answers are ///train hospital staff on how to use new machinery and design an artificial lung that could be implanted in humans;

lithograph is created by etching the flat surface of a print.