I'm only in middle school but i believe its coal.
An electrolyte is a substance that produces an electrically conducting solution when dissolved in a polar solvent, such as water. The dissolved electrolyte separates into cations and anions, which disperse uniformly through the solvent. Electrically, such a solution is neutral.
Hope this helps!!
:)
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