Rosa Parks' arrest on this day in 1955 sparked the Montgomery Bus Boycott and changed the world. On Dec. 1, Rosa Parks refused to give up her seat on a Montgomery bus
Fire is a chemical reaction that gives off light and heat. It is an example of the chemical process of oxidation.
A firefighter, also known as a fireman, is a highly skilled man or woman who works to combat and extinguish fires. They also take steps to prevent fires, act as emergency medical technicians (EMT) and investigate the causes of fires. A firefighter is almost always the first official on the scene of fires, car accidents, or other emergencies, which is why they are also sometimes called first responders..