Which words from the excerpt most contributeto the positive tone?

When should you use encyclopedias such as wikipedia? a. never, it is not appropriate to use this source in college b. it can you get an overall understanding of the subject matter but is not considered a college-level source c. as long as wikipedia isn't the only source, it is always appropriate to use this source

In saying that 11: 30 am was in the small hours of the morning, bertie is using

Accepted is to fact as unproven is to