Which of the following is an appropriate research paper question? a. what are the causes of the health care crisis? b. how should the american justice system be changed? c. how does recycling plastic affect the local environment? d. will economic setbacks create international trade problems?

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.