The reflection coefficient hits 100% exactly at the critical angle. More rigorously, consider that an analysis of the boundary conditions at the interface requires that the two polarizations of light have reflectances:
Distance from Ruskin, FL to Palmetto, FL 18 Miles or 29 Km. How many hours? 24 mins
In the United States the native range of Sabal Palmetto is the coastal plains of the Gulf states and south Atlantic states from Cape Fear, North Carolina south to Florida, though a disjunct population occurs in Cape Hatteras, North Carolina. It is the state tree of both South Carolina and Florida.