the simple answer is this, they are all found it the earths crust or diameter
Fossil fuels.
Fossil fuels.
The three main fossil fuels are coal, oil and natural gas
Coal, methane gas, oil are fossil fuels; uranium is not a fossil fuel.
They are called fossil fuels.
Coal AND Oil
Oil, Coal, and Petroleum
The major fossil fuels are coal, oil, and natural gas.
Crude oil and coal are two examples of fossil fuels.
Coal, oil, etc. Also called fossil fuels.
Coal is a fossil fuel. The major fossil fuels are natural gas, crude oil and coal.
Fossil fuels (coal, oil and natural gas).