Answer:
6. C
it was thought that aristocrats got sick and died after eating them
7. C
Hindu-Arabic numerals, set of 10 symbols—1, 2, 3, 4, 5, 6, 7, 8, 9, 0—that represent numbers in the decimal number system.
8. not correct.
9. not correct.
10. C
Explanation:
Hope this helps
I believe it's unknown since the Mississippi is the predicate and unknown is a describing word, a.k.a. an adjective but I'm not sure
Good luck, hope I helped!
C. Integrity is the answer
