3) A
An example of a nomad would be the earlier native groups that resided in areas within the U.S. Agriculture is what changed them from becoming nomads. When farming, they began to stay in one place to tend to their farm.
5) C
I can't see which revolution it is talking about. But that is my guess.
8) C
I don't exactly know if this is the right answer but this is also my guess.
I am sorry if any of them aren't the right answer. But I do hope that this helped you somewhat.