No, a person who worked in a coal mine would likely be biased. Also, little data can be extracted from any memoir at all.
ans- report with charts...
Working in the Coal Mine was created in 1981.
No, coal is a mixture not an element, the liquid part of coal contains hundreds of organic compounds specially Aromatic compounds, but coal mainly contains Carbon as an element.
Anthracite Coal
Pencil lead does not have coal. Pencil lead contains graphite.
Coal and petroleum are found in avsadi rocks
None. A pellet of uranium contains uranium, not coal.
Coal is made up from ancient plants. It contains energy of sun
There are few medicines which contains coal without any justification. Coal is given in much larger quantity in various poisoning. So that it should adsorb various poisons by it's physical property.
Coal.
coal
anthracite