Read the following scenario: a student is researching information on christopher columbus for a history project. in looking up information about his trip to the new world, the student finds two conflicting pieces of information from two different sources. source a: this source comes from a local community college. it is an essay written by a history student regarding christopher columbus. the student lists references for the information but does not provide contact information or links to the references. source b: this source comes from an internationally known encyclopedia. the site lists the authors of the article and provides references for the information that readers can link to. there are a couple of ads on the site, but no pop-ups and the ads are not distracting. which of the sources is most reliable and why? source a is most reliable because it was published by a local community college and is free of advertisements. source b is most reliable because it gives information on the author and has references that readers can check. source a is most reliable because it was written by a college student who probably has more recent and up-to-date information. source b is most reliable because the encyclopedia is internationally known and doesn’t contain pop-up ads.