Class A Fires consist of ordinary combustibles such as wood, paper, trash or anything else that leaves an ash. Water works best to extinguish a Class A fire. Class B Fires are fueled by flammable or combustible liquids, which include oil, gasoline, and other similar materials.
The amygdala is involved in our experience of emotion and in tying emotional meaning to our memories. The hypothalamus regulates a number of homeostatic processes, including the regulation of body temperature, appetite, and blood pressure.
Whilst emotions are believed to affect the transformation of events into memories at the point of encoding, our mood whilst trying to recall events at a later date can affect our ability to access those memories. In a joyous mood, we may be able to better remember past events that brought joy to us.