Final answer:
The mix of human and nonhuman features at a given location is explored in the Human-Environment Interaction geography theme.
Step-by-step explanation:
The geography theme that refers to the mix of human and nonhuman features at a given location is Human-Environment Interaction. This theme focuses on how humans interact with and modify their environment, as well as how the environment influences human activities and development. Examples of human-environment interaction include building houses, farming, deforestation, pollution, and conservation efforts.
Learn more about Human-Environment Interaction