In the article about Apollo 13, the writer discusses events: that could have happened if the ship was able to land on the moon. unrelated to each other. in the order in which they happened. All of the choices are correct.

i'm a frog i'm a frog i read about frogs i breath thee frogs the frogs are great but not me

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.  

wht excerpt u need to add it