I am pretty sure it is the trichromatic theory because all or nothing is about neurons, opponent process wouldn't be it, Rod and cone is about the light we take in the colour etc. I would go for trichromatic. not 100% though
Answer:
Between about 800 and 400 BC
Answer:
The answer is C. (The supply of luxury items like jewelry decreases).
Explanation:
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We Exist in D. Quaternary period
The modern-day humans exist in Holocene epoch of the Quaternary period ( about 11,7 thousand years ago - Now)
During this period, we already establish a clear intellectual advantage from other living organism
