Plastic Surgery. A skin graft is the replacement of healthy skin onto an area where the skin has been damaged, lost or surgically removed. The healthy skin is harvested from a donor site (also called a source site) and transplanted to the recipient site.
Best Answer: liquid to gas.. .vaporization gas to liquid.. condensation solid to liquid.. melting liquid to solid.. freezing solid to gas.. sublimation gas to solid.. deposition.
It's not as simple as a specific substance always changing directly from solid to gas, and vice versa. It depends on pressure also. For example, water can change directly from gas to solid at low enough pressure.