What is the verb phrase in this sentence. Nor did he recognize the importance of his discovery.

I think that the verb phrase is Recognize the importance of his discovery

i guess the cause and effect would show how being around the smoke(the cause) can have negative effects on the body.

explanation:

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.