How dpse liner prespcitve help a flat canvas look like it has three demensions

How can you open a chest that is beyond, but adjacent to the world border?

Explain briefly why it's to choose a chord progression before developing the harmony.

Artists best achieve contrast in a composition by: a. drawing with realism b. shading a drawing with dark and light values c. using drawing techniques like stippling and hatching d. focusing on line and shape in a drawing