Which is a strategy for keeping a discussion respectful when participants disagree? A refuting counterarguments with opinions

B persuading one group to agree with the other

C deciding as a group which point of view is better

D summarizing points of both sides of the argument

C deciding as a group which point of view is better

Explanation:

A good strategy to keep discussions respectful when there are differing groups and participants disagree is by deciding as a group which point of view is better.

This helps to keep the discussions respectful as useful input would be added.

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.