A change agent is an individual who has formal or informal legitimate power and whose purpose is to direct and guide change (Sullivan, 2012). This person identifies a vision and rationale for the change and is a role model for nurses and other health care personnel.
The earth's crust is the outermost layer of the planet. it is very thin and is just like the skin of an apple. the crust is about 3-5 miles thick and about 25 miles thick under the continents.
