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.
Flame, blaze, conflagration refer to the light and heat given off by combustion. Flame is the common word, referring to a combustion of any size: the light of a match flame. Blaze usually denotes a quick, hot, bright, and comparatively large flame: The fire burst into a blaze. Conflagration refers to destructive flames which spread over a considerable area: A conflagration destroyed Chicago.