Coal and oil provide a great energy sources and can be sold for a profit too.
fossil fuels and uranuim
fossil fuels
Some resources are in danger of running out - most notable, fossil fuels.
Fossil fuels include the Natural gases, the Petrol, the Coal.
The resources that are non fossil fuels are called unlimited resources.
Fossil Fuels, Metal, Stone and Animal Byproducts
fossil fuels
24%
they are renewable resources
fossil fuels
Onced used ,it takes many millions of years to replace fossil fuels.
Fossil fuels