Number 2 is correct because this is an appositive sentence structure, which means one sentence is interrupted by another.
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Answer:
The correct answer is B. Fine arts classes hone observational skills that foster academic success.
Explanation:
There have been many studies that prove that academic success is deeply related with some skills like arts. This kind of activities helps the brain to retain better the information and to stimulate other learning processes.
The answer to the question should be a: to indicate how excited he is about treasure hunting.
