Read the statement from "Emergence of Modern Thought." No one knows for sure when humans began to use symbolic behavior or thought
Which statement best explains the credibility of the author's statement from the passage?

b

explanation:

the sentence that avoid faulty coordination is:

culture, which is well represented in philadelphia, plays a major role including theatre, music, and the visual arts.  

faulty coordination occurs when the writer gives equal importance two different ideas (clauses) which in fact are not equivalent. in order to correct a misplaced clause or idea, the writer can place less important or emphatic ideas in a relative clause as in the previous sentence.  

health care costs in the united states are on the rise.