Answer:
The opponent process theory suggests that the way humans perceive colors is controlled by three opposing systems. We need four unique colors to characterize perception of color: blue, yellow, red, and green. According to this theory, there are three opposing channels in our vision.
Explanation:
<span>The answer is D) suppliers</span>
The United States responded by pushing a resolution through the U.N.’s Security Council calling for military assistance to South Korea.