What tough question does Scout ask Atticus?

"No, honey,"

Explanation:

Yet, as Atticus explains to Scout, he is willing to place himself in such a difficult position because he knows it is the right thing to do. Atticus knows that the inevitable answer to that question is, "No, honey," due to the fact that racism is abundant in the town.

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.