Which source is most credible?
a. one with a degree from a superior college
b. one with multiple well-reviewed publications on the subject.
c. one who writes most entertainingly on the subject.
d. one who includes media elements in the text.

B. One with multiple well-reviewed publications on the subject.

A well-reviewed publication suggests that the content of the publication is backed up with evidence, is unbiased, the information can be verified elsewhere and the author or authors can be identified. All of these characteristics make a source credible, when there are more than one (or multiple) well-reviewed publications on a specific subject, the source's credibility is even higher.

the most ethic and honorable thing for the newspaper to do are:

be completely transparent in reporting about the company’s attempt to trade favors.

contact other construction companies to tell them about the situation.

these two options are the most ethic because both promote the market fair course, by telling the other competitors about the company attempt to get ahead in the market by trading favors, the market is guaranteed equality and justice in the trading of goods and services.