Final answer:
The Ozark region in southern Missouri is an example of a geologic dome, which is a fold structure with the oldest rocks at the center and layers dipping away in all directions.
Step-by-step explanation:
The Ozark region in southern Missouri is an example of a geologic dome. A geologic dome is a type of fold structure where the strata have been warped upwards to form a rounded bulge. The rocks in the center of a dome are typically the oldest, with layers dipping away from the center in all directions. This is in contrast to a syncline, which has a concave-up shape and typically has the youngest rocks at the center. The Ozark region exhibits the characteristic features of a dome, with its oldest rocks exposed at the highest central area, gradually dipping away towards the edges of the region. This indicates that during its geologic past, the region experienced uplifting forces that created its dome-like structure.