because it takes millions of years to form, it forms from the remains of living things
because it is messier to get and it makes people dirty
coal is a type of solid fossil fuel and is formed from the remains of plant life.
Coal is a solid fossil fuel, if that's what you're looking for.
it already is coal is fossilised wood
coal
Coal is the fossil fuel sometimes considered a organic sedimentary rock.
Coal is fossil fuel.
Coal is a fossil fuel. The major fossil fuels are natural gas, crude oil and coal.
Fuel from coal and petroleum, which is believed to be of fossil origin.Fuel from coal and petroleum, which is believed to be of fossil origin.Fuel from coal and petroleum, which is believed to be of fossil origin.Fuel from coal and petroleum, which is believed to be of fossil origin.
Fossil
Coal is a fossil fuel.
Wood is not a fossil fuel (they are coal, oil and natural gas).
Yes, coal is a carbon based fossil fuel.
No it is not. But Crude Oil, coal, and Natural Gas are!
Yes, coal is a fossil fuel.
Coal IS a fossil fuel
solar energy