For most academic writing, the types of evidence preferred include a) general statements and quotations by well-known individuals b) facts, statistics, and expert testimony c) personal observations and opinions d0 a combination of assertions and first-hand experiences

B) facts, statistics, and expert testimony

Explanation:

Academic writing requires evidence that comes from expert sources, statistics, and testimonies, which increase the credibility and validity of the analysis and its research.  

Including reliable evidence enriches the piece of writing and its utility in a professional environment.

the aesthetic impact is that moment when you are relating spatially to the target. the "ai" occurs when you have an impression that includes both you and the target and is usually a spatial relationship.