1. What makes this factual evidence effective?
A. It shows an attention to consistency that exists in the fast-food industry today.
B. It shows the impossibility of maintaining consistency in the fast-food industry.
Answer on engenuty: A
2. This factual, historical evidence helps develop which claim?
A. The fast-food industry resembles the manufacturing business.
B. Teenagers are the ideal employees for the fast-food industry.
answerd on Edgnuty A

A) it shows an attention to consistency that exist in the fast-food industry today

And the next questions answer is

A) the fast-food industry resembles the manufacturing business.

a. is the correct answer

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.