Coal is formed over millions of years by pressure and heat on decomposed vegetation accumulated in shallow swamps, the result is a sedimentary carbonaceous rock known as coal...
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
coal
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.
Yes, coal is a carbon based fossil fuel.
Yes, coal is a fossil fuel.
Coal IS a fossil fuel
solar energy
a fossil fuel
Coal is a fossil fuel.