The anteroposterior full-spine films (Fig. 6.38) exhibit several lateral flexion-type subluxations (C-3) and a rotational type at the level of L5 (C-4). This patient presented with a history of acute pain in the left lateral rib cage about the level of the 3rd and 4th ribs.
paper burning is a chemical change. technically any chemical change is also a physical change, but not every physical change is a chemical change. It is a chemical change. When you burn paper, you see smoke and ash being formed, indicating a chemical change.
Combustion is an example of a redox reaction that occurs so rapidly that noticeable heat and light are produced. Corrosion, decay, and various biological processes are examples of oxidation that occurs so slowly that noticeable heat and light are not produced. Combustion. Combustion means burning.