The worse possible.
Yes it can because oil can kill us and coal is just oil turned into a solid.
Coal and oil are some natural resources of the US.
Coal, Oil, Natural gas. Coal first, Natural gas second, Oil third.
oil or coal
Coal, oil, lumber,
oil coal gas
Restricting oil and coal trade.
coal oil and tabaco
Coal and oil - or at least those are the two they always went on about at school.
dead animals and matter all get compressed at extremely high temperatures over millions and millions of years and eventually form coal and oil. So technically, coal and oil will run out for us but in millions more years, if there are civilisations still on earth, there will be plenty of coal and oil again. won't be any use to us though
Use water and coal. :D
coal, oil, fresh water, wood.