Look at the dictionary definition of dire. Dire \ ˈdī(-ə)r \ adjective: terrible; powerful; or otherwise extreme Which word has the same pronunciation of the i sound as in dire? Airy girl firm iron

Iron

Explanation:

Dire is transcribed as /ˈdʌɪə/

Girl is transcribed as /ɡəːl/

Iron is transcribed as /ˈʌɪən/

From the transcription of the words above, it is seen that both dire and iron have the same transcriptions for their "i" sounds.

Therefore, iron is the correct answer because it has the same pronunciation as the i sound in dire.

its confident and professional

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.