Is coal and oil the same thing?
One can think of coal and oil as being different forms of carbon-based fuel. Coal would be the solid state of fossil fuel. Oil would be the liquid state of fossil fuel. While natural gas would be the gas state of fossil fuel. Fossil fuel in different state of matter can undergo phase transition by applying energy. Thus there are processes that convert coal into oil and natural gas or from natural gas into liquid form.
Coal is salvaged from sedimentary or metamorphic rock, mostly comprised of pure carbon. Its composition, sourcing and use as a fuel for energy differs from oil. Known as oil, crude oil, or petroleum, it is found beneath the layers of sedimentary rock and is obtained through drilling and pumping, as opposed to mining.
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Why can you find natural gas and oil deposits in the same location but not able to find coal and petroleum deposits at the same location?
Coal has only one advantage relative to oil, which is that it is abundant and relatively inexpensive. Disadvantages include, it is more polluting (due to impurities in the coal) and it is harder to handle; oil can be pumped, whereas coal has to be shoveled. Coal mining is often more difficult and dangerous than pumping oil out of the ground. Coal dust creates the dangers of explosion, and black lung disease.