A shear zone is a zone of strong deformation (with a high strain rate) surrounded by rocks with a lower state of finite strain. It is characterised by a length to width ratio of more than 5:1.
The degree for becoming a chiropractor is called a Doctor of Chiropractic, and is abbreviated D.C. In addition to physiciansâ¦ and academics with a doctoral degree, it is customary to address as Doctor such health practitioners as veterinarians, optometrists, and chiropractors.
In 2002, approximately 15 million Americans used chiropractic care, about 40 percent of them for low back pain. To become a Doctor of Chiropractic, students must complete four years of education and training at an accredited chiropractic college as well as a one-year internship.