Answer:
watching a firefly is much different than watching a fire because watching a fire can make you hot and watching a firefly can make you happy
Aluminium Sulfide
According to rules the positive specie is named first and the negative specie is named last.
Gain enough kinetic energy to get past each other. Ad you heat up a substance, the temperature increases as does the kinetic energy of the particles. At a point the temperature of the substance will stop increasing. The energy is now being used to increase the potential and move the particles further apart.