Viewing a single comment thread. View all comments

philfix t1_jd4l7bi wrote

<Serious> How can coal burn underground with no oxygen source?

−2

cunninglinguist6 t1_jd4rjee wrote

Thats why its burning for so long its just smoldering if its good material even a small bit can smolder for very long time look up amadou tinder fungus.

7