Part A:
D, It suggests that the speaker is unhappy or troubled.
Part B:
A, He cannot sleep and needs to get out of the house.
Answer: It is specific.
Explanation:
The evidence provided in the excerpt make the author's argument more effective because it is specific.
The author was specific about the importance of switching to renewable energy. He outlined that it can lead to job creation and he was specific and gave examples about how it can create many jobs in the United States.
I think it’s the last one sorry if I’m wrong