Current research suggests thata. the Young-Helmholtz theory best explains how we experience color. b. opponent-process theory is the most comprehensive theory for explaining color vision. c. both the trichromatic and opponent-process theories are valid in explaining color vision. d. both the Young-Helmholtz and the opponent-process theories are wrong in explaining color vision. e. frequency theory shows promise in explaining how we experience color vision.

both the trichromatic and opponent-process theories are valid in explaining color vision

Explanation:

the historians cited in the article all agree with one another about the cause of the civil war. despite coming from different backgrounds and cultures, the historians agree that slavery was the root cause of the civil war. the fact that all these historiansgenerally agree with one another makes their shared viewpoints more reliable and valid, especially because the historians have different backgrounds and all work for the well-respected institutions of howard university, clemson university, and the university of colorado.

the right answer is a