| Term | Definition |
| fossil fuels | nonrenewable energy sources such as oil natural gas and coal that are formed from the decayed remains of ancient plants and animals; can be burned to supply energy and generate electricity |
| petroleum | crude oil- a highly flammable fossil fuel formed from decayed remains of ancient organisms; contains hydrocarbons and can be refined into fuels and used to make plastics |
| nonrenewable resources | any natureal resources such as all fossil fuels that cant be replaced by natueral processes as qui |