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
Scalds one of most common causes of burns. Ninety percent of burn injuries to children under 5 are caused by scald or contact burns. Scalding injuries and burns caused by hot tap water, hot beverages and food, and steam can easily be avoided by making simple changes in your home.