9. The key to description is O A. giving the readers enough detail to form a picture in their mind.
O B. considering only what you think the readers already know.
O C. telling the readers how you would do something.
O D. showing only the steps you consider important

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.  

the students want to see the great sphinx of giza, which is very popular with tourists.

first aid for seizures is aimed at keeping the person safe until the seizure stops on its own. stay calm, loosen anything around the person's neck, do not restrain them or put anything in their mouth, clear the area around them, and stay with them after the seizure stops.

hope this !