Read the excerpt from "the mysterious stranger." he seemed to be tormented by some strange fancy or apprehension. in spite of every effort to fix his attention on the conversation of his companions, i noticed that every now and then he would turn his head slowly round, give a glance over his shoulder, and then withdraw it with a sudden j***, as if something painful had met his eye. how does the excerpt exemplify gothic fiction?

The excerpt is a depiction of horror. The narrator tells that the person was afraid of some kind of ghost or apprehension. It is a Gothic element which is used in this excerpt. This specific element is a presence or in other words it is an evil that has been presented.

Gothic fiction is a type of literature that combines horror, death, and sometimes romance. In the excerpt from "The Mysterious Stranger," the reader is reminded of the presence of evil in the story. This is shown when the character looks over his shoulder he sees something the author describes as "painful." This expert envokes horror in the reader, something common in Gothic fiction.

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.