Both of them are because they evolved from little tiny creatures millions of years ago
Coal is a fossil fuel. The major fossil fuels are natural gas, crude oil and coal.
fossil
No it isn't a fossil fuel. Fossil fuels include coal and oil.
No, time is not a fossil fuel. Fossil fuels are coal, oil and natural gas.
Coal, methane gas, oil are fossil fuels; uranium is not a fossil fuel.
No, it is not. Coal, oil, and natural gas are fossil fuels.
Fossil fuels (coal, oil and natural gas).
I believe you mean coal bed gas or coal bed methane which is a fossil fuel.
Fossil fuels
The fossil fuels are coal, oil and natural gas.
coal, oil or gas are all examples of fossil fuels
No it is not. But Crude Oil, coal, and Natural Gas are!