72 C HAPTER 6 Â· Saturation of the Terrestrial Carbon Sink in use and in landfills, (6) sediments of reservoirs andrivers, (7) atmospheric C fixed by U.S. ecosystems andthen exported by rivers, or (8) exported commercially(food and fiber).2 C HAPTER 6 Â· Saturation of the Terrestrial Carbon Sink in use and in landfills, (6) sediments of reservoirs andrivers, (7) atmospheric C fixed by U.S. ecosystems andthen exported by rivers, or (8) exported commercially(food and fiber).
The snake is an ancient symbol among indigenous people throughout the Americas. Often called the serpent, snake figures appear in Native American culture, art and religion. The symbolism of the snake relates to transformation, fertility, patience, feminine powers and healing.
Main article: Rod of Asclepius. The snake emblem is the Rod of Asclepius, widely used as the symbol of medical care worldwide. There are several theories as to its development; it is named for the Greek mythological figure Asclepius, who was said to have possessed healing power.