At an art center in Minneapolis, you can see an American flag with stripes of green and black and black stars on a yellow ground. When you stare at this flag, and then look away, the afterimage is the familiar American stars and stripes in red, white and blue. This complementary afterimage is consistent with which of the following theories of color?a. subtractive color mixing.
b. opponent process theory of color vision.
c. additive color mixing.
d. trichromatic theory of color vision.