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.
An Anesthesiologist is a MD (Medical Doctor) who has years of training in anesthesiology (medical school, internship and accredited residency training program AAAASF). An Anesthetist is a nurse who has some experience in the field before returning to a 2 year anesthesia training program.