Your answer would be B. The reason is because the ears of any species of fox are used to keep cool, depending on the size of the fox's ears. In this case, the arctic fox is trying to stay warm, to the ears must be smaller in order to conserve heat. Hope this helps!
Santa Fe Trail was the most popular route
Specifically, we tested for the presence of lipids, proteins, polysaccharides, and monosaccharides in samples of potato, oil, milk, sugar, egg, rice, tofu, bread, and glucose. It is important to know about the presence of different types of macromolecules in our food because it is important. Google
The factory might've not checked the bags to see if there is holes
One way to tell is to use nutrient density. Nutrient-dense foods contain high levels of essential nutrients per calorie; foods low in nutrient density contain few nutrients per calorie.