Complex sentence: Because of Florida's flat land, and low elevation, these hills give way to one of only two sub-piedmont areas in Florida the other is in North Central Florida and Central Florida with a small range of hills stretching from Ocala to Kissimee.
Split into simpler sentences: Because of Florida's flat land, and low elevation, these hills give way to one of only two sub-piedmont areas in Florida. The other is in North Central Florida and Central Florida, consisting of a small range of hills stretching from Ocala to Kissimee.