Final answer:
Ethos is an appeal to ethics and establishes credibility. It calls on the audience to accept the speaker's viewpoint based on trustworthiness.
Step-by-step explanation:
Ethos is an appeal to ethics and helps establish the writer's or speaker's credibility. It invokes the speaker's character and qualifications on the subject, which make the audience trust what they say. An appeal to ethos calls on the audience to accept the speaker's viewpoint based on their trustworthiness and credibility.