Rachel is a 35 year old school teacher who has no man in her life and lives with her mother.
Each element give off a particular color when heated in a flame. (Some are colorless). Copper gives off a green flame but to do that there must be some copper compound IN the flame. (there are many other elements that also could be causing a green flame).
Chlorine - Chlorine is an important component of many oxidizers in fireworks. Several of the metal salts that produce colors contain chlorine. Copper - Copper compounds produce blue colors in fireworks. Iron - Iron is used to produce sparks. The heat of the metal determines the color of the sparks. Lithium - Lithium is a metal that is used to impart a red color to fireworks.