Sassafras root is still used to flavor traditional root beer, although since sassafras was banned by the U.S. Food and Drug Administration because of the carcinogenicity of its constituent safrole, most commercial recipes do not contain sassafras. Some commercial root beers do use a safrole-free sassafras extract.
There are usually 18 holes in a golf course; some have 9 holes or some multiplier of 9 holes. I have played at golf clubs with 9, 18, 27 and 36 holes. However, a standard round of golf at most golf clubs / courses involves 18 holes.
Golf Course. A standard golf course consists of 18 holes. Holes vary in length from about 100 yards to 600 yards in length, and each hole has some, if not all, of the following features: Tee box-Smooth level area at the beginning of each hole where play begins.