About 75% of the rock outcroppings on continents are sedimentary rocks. Detrital sedimentary rocks are those for which the material has been transported as solid particles. The particles themselves may have derived from either physical weathering or chemical weathering. Sedimentation means settling from a fluid, either water or air.
An anesthesiologist is a medical doctor who keeps a patient comfortable, safe and pain-free during surgery by administering local or general anesthetic.
Anesthesiologist (MD or DO) - Anesthesiology is the practice of medicine dedicated to the relief of pain and total care of the surgical patient before, during and after surgery. After completing four years of medical school, they enter a four-year anesthesiology residency training program.