Answer:
Credibility relates to being trustworthy and believable, and when determining a source's credibility, there are important points such as: where the sources are coming from, who wrote that and if they are experts about it (author’s credibility), if there is corroboration from other sources, the relevance and time when it was published.
Thereby the less relevant option to be considered from the given ones is (b.) the perspective of the topic, which is set to subjectivity.
Explanation:
