Select all that apply. Language is important to humans because it: .

separates them from the animals
allows them to work with others
allows communication of abstract ideas
allows them to communicate with every person on earth

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.  

a. it reminds protestors of the reasons they have to protest.