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
The primary energy source in the US is fossil fuels, such as coal and oil. Hydroelectic and solar are very very small in comparison (about 10 to 15 times less of those is used than fossil fuels).
Towns in deserts would naturally develop near oases because in a desert there is very little water and the water would be required to grow crops for food along with water to drink.
The answer is everything you just said in the question and thank you very much for th 50 points i am so grateful . kissess goes to you
Answer:
The Vietnam War was a long, costly and divisive conflict that pitted the communist government of North Vietnam against South Vietnam and its principal ally, the United States. The conflict was intensified by the ongoing Cold War between the United States and the Soviet Union.
Explanation:
