Which of these uses ethos? a: the food at our school is o. k; however, i wish we had more organic choices b: all of the other schools in our district offer organic foods in the lunchroom; therefore, our school should offer organic food as well c: we are starving because the food, if you can call this slip "food" at our school is not fit for the lowestvgrub on this fine earth! d: yum organics has been providing well rounded organic lunches to schools on the west coast for more than 15 years

The answer is D: Yum Organics has been providing well rounded organic lunches to schools on the west coast for more than 15 years.

Ethos is a mode of persuasion or one of the three Aristotelian appeals, the other two being pathos and logos. Ethos refers to an argument based on an appeal to the audience´s ethical values, that is to say, to what the audience should deem as valuable, relevant, or culturally good. In the answer above, it the fact that the company Yum Organics has provided well rounded organic lunches to schools what makes it an example of ethos.