No. Ethnicity can be a part of culture, but culture is shared belief & behavior.
The term "race" is a socially constructed word to differentiate between human beings based upon the color of their skin. Unfortunately, "race" is also used to informally make definitive but...
Yes. Race is an archaic form of ethnicity, in my opinion. Others see race as a biological term, while ethnicity is cultural.
Predominately white, some Paiute and Shoshone and Asian and other races. Look in an Almanac for the exact figures.........some almanacs are online.
Yes culture does mean the same thing as race! :)