Final answer:
The Valley and Ridge Province is the region made of long ridges and hills. It is located in the southeastern United States and is composed of highly folded and faulted sedimentary rocks.
Step-by-step explanation:
The region that is made of long ridges and hills is the Valley and Ridge Province. This region is located in the southeastern United States and is a result of deposition and slight deformation of sediments associated with the Taconic and Acadian Orogenies.
The Valley and Ridge Province is composed of highly folded and faulted sedimentary rocks, with thick and resistant sandstones forming its ridges and weaker shales forming its valleys.