What is the implicit meaning of this passage?

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

Aclear technical document includes which element? a.complex sentence structure b.section headings c.abstract technical vocabulary d. long paragraphs

Which statement describes how connotationis used in this passage