According to the opponent-process theory, cells that are stimulated by exposure to light are inhibited by exposure to light. a red; blue b blue; green c yellow; green d blue; red e yellow; blue

The correct answer is e yellow; blue.

Explanation:

According to the opponent-process theory, cells that are stimulated by exposure to yellow light are inhibited by exposure to blue light. The opponent-process theory states that some colors suppress other colors. In this case, yellow is suppressed by blue.

he is very short, and he can only reach halfway up on the elevator buttons. but on a rainy day, he has his umbrella with him, and he uses it to poke the button at the top.