Answer:
The name Hopi is a shortened form of their autonym, Hopituh Shi-nu-mu ("The Peaceful People" or "Peaceful Little Ones").
Definition of Hopi: A member of a Pueblo people living chiefly in northeastern Arizona.
Answer:
but much research has been done and more has learned about brain injuries in the last 5 years
Explanation:
because this shows they are telling more players about the injuries and informing them about the dangers of playing
Answer:
A) the main idea is what the paragraph is about
Explanation:
from the words main idea you can guess it can't be b or c because that doesn't make sense. its not d as well that's a different topic. so your answer is a which explains it the best. hope it helps you