According to Ellis, __________ are at the root of psychological problems

The ______ theory proposes the combination of red, blue, and green cones and the rate at which they fire determines what color will be seen.

a. opponent-process theory b. trichromatic theory c. light adaptation d. dark adaptation e. afterimage theory

____ is the ability to understand and respond helpfully to another person's distress

a. Sadness b. Thoughtfulness c. Empathy d. Apathy