A X-Ray is to show any bone in the human body but only particularly 1. X-rays are faster to do and what they are for is to show a fracture or broken bone that will need to get treated to heal the broken or fractured bone. a CT scan takes a series of X-ray images taken from different angles around your body and uses computer processing to create cross-sectional images (slices) of the bones, blood vessels and soft tissues inside your body. a MRI scan is to look at organs and structures inside your body. Health care professionals use MRI scans to diagnose a variety of conditions, from torn ligaments to tumors.
Answer: The four levels are the literal, the metaphorical, the political, and the mystical levels. Reinhart brings these up because he uses them to describe the processes of the bread making.
