Final answer:
The question is about a nourishing diet for animals, and the subject is Biology. Animals require a balanced diet to meet their nutritional needs.
Step-by-step explanation:
The statement from Adams suggests that Eve believes a certain factor would be good for animals to have a more nourishing diet. Based on the options provided, this question pertains to Biology as it relates to animal diets and nutrition.
In this context, the concept of a nourishing diet can be linked to the idea of a balanced diet that meets the nutritional needs of animals. This includes consuming a variety of foods to obtain essential nutrients such as proteins, carbohydrates, fats, vitamins, and minerals.