I believe the correct answer is B.
The complete predicate in this sentence is A. mopped his brow, exhaled sharply, and picked up his phone.
B and C aren't correct, because they aren't complete predicates - something is missing.
D isn't correct, because <em>looking up from his computer monitor </em>is not a predicate, it is an adverb phrase.
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.
Answer: physical VERB.
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Other people, however, may have a different point of view to offer.