Answer:
Ethos
Step-by-step explanation:
Ethos is a Greek word that means "character"
Ethos is when an argument rests on the credibility and or ethics of the person making the argument. It is used in the illustration here where the company tries to convince or persuade their customers based on their credibility as evidenced by other people who have used their products and for long period of time. Ethos is in contrast to pathos which appeals to emotions and logos which appeals to logic or reason.