Answer:
This seems to be more of an opinionated question, but I'll help out.
Good advice is advice anybody can apply to their own issues in life. (you should insert your own example of good advice though, not sure about that one)
The correct answer is:
On the other hand.
"He looked forward to visiting with old friends. Greta, on the other hand, dreaded seeing her old boyfriend."
This phrase is showing Greta and Fred are having different feelings in that moment, creating a contrast between both of them.
It would be an Ethos appeal.
Answer:
B
Explanation:
B. Elon Musk believes that if we do not use technology to enhance the human brain, humans will become pets to artificial intelligence.