its not.
coal
fuel
Pennsylvania's most important mineral is coal. Second is oil.
Coal
coal
Limestone and coal are two important organic rocks.
We have the most of coal as a fossil fuel resource. Coal reserves are estimated to be more abundant and widely distributed compared to oil and natural gas reserves.
The fossil fuel found in greatest abundance in Virginia is coal. Virginia has large coal deposits that have been historically important in the state's economy.
Coal is fossil fuel.
food, fuel and energy, and the capital goods.EDITED VERSION BELOWThe most important imports are Iron ore, coal, and cotton along with machinery, fuel, chemicals.
Coal is the fossil fuel found in abundance in Europe. It has been a historically important energy source in many European countries for centuries, especially in regions like the UK, Germany, and Poland.
Coal