Final answer:
The Ozark Mountains are part of the Interior Low Plateau physiographic region, which features plains, hills, and notable karst topography.
Step-by-step explanation:
The Ozark Mountains are part of the Interior Low Plateau physiographic region.
This region is located centrally within the United States and is distinct from other regions such as the Appalachian, Rocky Mountains, and the Coastal Plain.
The Interior Low Plateau is characterized by a combination of plains, rolling hills, and is noted for its karst topography which is responsible for the many caves found within it, similar to those found at Mammoth Cave in Kentucky.