The correct answer is D. Human-environment interaction
Step-by-step explanation:
Human-environment interaction is a theme in geography that focuses on the relationship between human societies and the environment; this includes how humans modify their environment or adapt to it. Slash-and-burn agriculture is an example of this theme because this shows how humans modify their environment by cutting and burning extensive areas of trees that are later used for agriculture. Moreover, this practice is related to this theme because it shows humans depend on the environment to produce food and they have also adapted to grow crops.