which element helps establish an authors credibility?\na. personal opinions\nb. informal language\nc…

which element helps establish an authors credibility?\na. personal opinions\nb. informal language\nc. supporting evidence\nd. creative writing
Answer
Brief Explanations:
- Personal opinions are subjective and do not inherently build credibility.
- Informal language may not convey a sense of authority or reliability.
- Creative writing focuses on artistic expression rather than credibility - building.
- Supporting evidence provides objective backing, which is key to establishing an author's credibility as it shows research and a basis for claims.
Answer:
C. Supporting evidence