Melted rock can ooze out from below the earth's surface through a crack called a fault.
I think it's coal as you use it for bbqs and train drivers use coal too. I'm pretty sure it's coal, but I'm not 100% sure. Hoped this helps.
Lava
snansnsans
a
anajansnanana
The silver chloride electrode usually functions as a redox electrode where the equilibrium is achieved between silver and its salt (silver chloride).
The half reaction for this electrode is as follow:
<span>AgCl(s)+e−→Ag(s)+Cl−(aq) where:
</span>(s) refers to solid state
(aq) refers to the aqueous state and
e- is the electron