Final answer:
The theme of geography reflected when Native Americans adapted to their environments is Human-Environment Interaction.
Step-by-step explanation:
The theme of geography that was reflected when Native Americans adapted to their environments is Human-Environment Interaction. This theme focuses on how humans adapt to, modify, and depend on their natural surroundings. Native Americans had to adapt to various environments such as deserts, forests, and plains, and they did so by developing unique ways of hunting, gathering, farming, and building shelters that suited their specific surroundings. For example, Native Americans in the desert regions developed irrigation systems to cultivate crops, while those in the forest regions constructed longhouses made of wood.
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