Which theory states that the human eye contains three varieties of conos in the retinal region that when stimulated together allow the perception of any color? Tri-visual theory
Opponent-process theory
Trichromatic theory
Tri-pallet theory
Processing color theory

Communism best describes china's government

An informal structure in a bureaucracy would be something like so-called "office politics". where there's a formal structure set up for the organization, but then an informal subculture as well that has a way of organizing the bureaucracy further. this can be positive because it sets up an added degree of organization, albeit informal, within the bureaucracy.

Ithink it's c selection but i don't really know.