What country is the band Rush from?

What term is used to describe the three-dimensional space that contains all of the colors represented in a spectral graph?

a. Color mode b. Color space c. Spectrophotometer d. Colorimeter

When Raphael was preparing to paint his fresco The School of Athens he did a large drawing called a ________ to help place the design on the wall.

Fill in the blank(s) with the appropriate word(s).