Final answer:
Burns incurred after death are classified as fourth-degree burns, which are the most severe type of burns that involve the full thickness of the skin, underlying muscle, and bone. These burns require immediate medical attention and usually cause less pain due to nerve damage.
Step-by-step explanation:
Burns incurred after death are classified as fourth-degree burns. Fourth-degree burns are the most severe type of burns, as they involve the full thickness of the skin, underlying muscle, and even bone. These burns typically appear white, red, or black and require immediate medical attention. They are usually not as painful as lower degree burns because the nerve endings themselves are damaged.