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.
11m + 19a = 0
11m = -19a / : (-19)
-1.72m = a
Three witches meet Macbeth and Banquo on the heath (marshes) as the men return from battle
Sure hope this helps oyu.