Great Plains is the correct answer
It has caused more pollution
Answer:
An ethnic category or group is a group of people identify with each other. Typically based on language, history, ancestry, culture
Explanation:
What are the examples?
Hand in hand, we stood in the line for our amusement park tickets. The line seemed to go on forever. I waited impatiently, bouncing on the balls of my feet. At long last, mother handed me my pass. Then she took my hand in hers, and off we went toward the house of mirrors.