Coal is very light even though it is rock. Coal consists largely of carbon formed from decomposed vegetation much like oil and tar. It burns because it is like oil or tar but in rock formation.
it's valuable because we burn it in power plants for energy
Coal cannot burn without oxygen.
rock coal
When you burn coal in air you create carbon dioxide. I hopethis was helpful.
No. Coal is an organic sedimentary rock.
Yes it is possible. Coal, for example.
It depends, really. A rock's friability is the ability of a rock to easily be broken into smaller pieces(easy in the sense of hitting it with your hand). Whether or not a rock can burn is based more off of a rock's composition. For example, coal will burn, quartz will not. Rocks made up of organic material(coal, peat, lignite, oil shale) will burn - hence, fuel. A rock can, though, be organic and friable. So its possible to have a friable rock that can burn. But ignition isn't dependent upon friability.
it's valuable because we burn it in power plants for energy
Coal cannot burn without oxygen.
rock coal
it will burn it would probably burn at first and melt the ice and water does not encourage burning so the coal stops burning
When you burn coal in air you create carbon dioxide. I hopethis was helpful.
No. Coal is an organic sedimentary rock.
Bituminous coal is consided a sedimentary rock. Anthracite coal is bituminous coal that has been metamorphosed by great pressure and heat and is considered a metamorphic rock.
Coal is a form of rock. It is an organically formed sedimentary rock.
Peat (not much of a rock).
Coal is considered to be a rock.