Each of those groups is called a class. Each of those classes is of a certain width and this is referred to as the Class Interval or Class Size. This class interval is very important when it comes to drawing Histograms and Frequency diagrams.
Burns can come from anything hot. Microwaves, the sun, (sometimes the refrigerator,) a TV, computer, or handheld game that was turned on for a long time, active volcanoes, la â¦ va, fire, friction, steam, hot water, etc., can cause burns. Or cold. Burns are caused by rapid changes in temperature
Types of Burns. Burns are often categorized as first-, second-, or third-degree, depending on how badly the skin is damaged. Each of the injuries above can cause any of these three types of burns. The type of burn and its cause will determine how the burn is treated. All burns should be treated quickly to reduce the temperature of the burned area and reduce damage to the skin and underlying tissue (if the burn is severe).