<span>A) a study of local economics by an objective research company
It's important that whatever information is presented, that it is objected and unbiased. A third party research company that has no stake in the building would be the most unbiased company to do the research. Also, having an economic study would present the information in the most educational way. </span>
Because it explains experience, it follows under the line of ethos
C. Ethos :)
1) compound
2) pretty sure the second option is the best one.
3)third option
4)one of the twins
5)third option
6)sentence 3 (I think)
7)no one expected that outcome
8)simple
9)the first sentence given