There is not a solid sufficient attraction among the two hydrogen atoms and 1 oxygen atom within a h2o molecule and The 2 oxygen atoms within an oxygen molecule, so the h2o compound will not split aside and recombine. Fire is affected by gravity. Still left: Flame on this planet; https://chancemetqs.bloggerbags.com/41912782/detailed-notes-on-fire-rated-ductworth-insulation