In which of Kohlberg's stages is the individual motivated by possible future gain or pay back?

____________: depressive mood for most of the day, for more days than not, for at least 2 years

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

According to the trichromatic theory of color vision, three different types of cones supposedly respond to

a) blue, green, and red. b) blue, red, and yellow. c) green, red, and yellow. d) blue, green, and yellow.