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
Cold burns are burns that take place as the result of skin coming in contact with an object that is extremely cold. The cold is sufficient to cause damage to the skin and the underlying tissue, leaving the area with blisters or tissue damage that may or may not be reparable. Frostbite is one example of an extreme case. In order to sustain a cold burn, it is necessary for the skin to be exposed to some type of extreme cold. For example, a bare hand that comes into prolonged contact with ice and snow will begin to experience decreased circulation as the natural body heat transfers from the hand to the ice.