Answer:
The correct option is D. Aesthetic
Explanation:
Aesthetic values can be described as a term used to represent the beauty of something. Appreciation of anything beautiful also comes under the aesthetic values.
The beauty of the planet Earth occurs due to the biodiversity of animals and plants. Other planets do not have such beautiful landscapes because they do not have plants and animals. As in the question above, the beauty of the landscape due to elephants is being discussed, hence it is a kind of aesthetic value.