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 degree to which a measure or scale truly reflects the phenomenon under study is known as v<span>alidity.</span>
Answer:
As Europeans moved beyond exploration and into colonization of the Americas, they brought changes to virtually every aspect of the land and its people, from trade and hunting to warfare and personal property. European goods, ideas, and diseases shaped the changing continent.
Explanation:
Mr. X can be considered as a Buddhist.
Buddhism is a religion started by Siddhartha Gautama, known as Buddha. It is a religion of peace, of meditation, of achieving nirvana, and ultimate happiness through caring about the world around you as much as yourself, your inner and outer peace.
Answer:
The telephone
Explanation:
Alexander Graham Bell patened the telephone on February 14, 1876
