Answer:
christmas
Explanation: Ik its correct :) Please give me a good rating
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: The answer is "Biographical sources"
Explanation:
If the president becomes unable to do his job, the Vice President becomes the president or acting president.