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The Trichromatic Theory Was First Proposed by _____

Question 116

Multiple Choice

The trichromatic theory was first proposed by _____.The opponent-process theory was first proposed by _____.


A) Thomas Young; Ewald Hering
B) Ewald Hering; Hermann von Helmholtz
C) Hermann von Helmholtz; Thomas Young
D) Thomas Young; Hermann von Helmholtz

Correct Answer:

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