One should avoid using the information on a site if a. the author is not well-known b. there are any advertisements on the site c. the information cannot be found in any other source d. the site has not been updated within the last two weeks

C is the correct option.

Explanation:

Website credibility is how believable the contents on a website are. It also means designing your website in a manner to make it appear trustworthy and knowledgeable. There are four types of credibility; Presumed, Reputed, Surface and Earned. There are other factors which also affect a website's credibility website design, not making your address and phone number visible, language and the wrong information are other reasons which make a website less credible.

articles of confederation

presidency should be the title