Ethos is the ethical appeal meaning to convince someones credibility. I think that B or C would be the right answer.
Answer:
Interacting with animals has been shown to decrease levels of cortisol (a stress-related hormone) and lower blood pressure. Other studies have found that animals can reduce loneliness, increase feelings of social support, and boost your mood. Animals get many diseases similar to ones that affect people. By studying these animals, medical researchers can learn what causes diseases and how to prevent, treat, or cure them. These findings help both humans and animals. Researchers also study animals to understand how they adapt to different environments. In contemporary society, animals and humans interact in a variety of different capacities, as companions, as therapy providers, and as sources of food and fiber. Interactions between animals and their human caretakers play a significant role in the overall welfare of both the livestock and their stewards.
Explanation:
there is one paragraph hope this helps
