| fossil fuel definitions |
| # | Definition | Sets |
| 1 | fuel consisting of the remains of organisms preserved in rocks in the earth's crust with high carbon and hydrogen content | 20 sets |
| 2 | fuel created from remains of plants and animals over millions of years | 8 sets |
| 3 | the fuel formed from the decay of ancient forms of life | 8 sets |
| 4 | any one of several nonrenewable resources such as coal, oil, or natural gas, created from the remains of plants and animals | 5 sets |
| 5 | fossiler brennstoff | 4 sets |
| 6 | coal, oil, or natural gas | 4 sets |
| 7 | natural gas, coal, or petroleum (oil) | 4 sets |
| 8 | a nonrenewable energy resource formed from the remains of organisms that lived long ago | 4 sets |
| 9 | organic substance such as coal, oil, natural gas that is used as an energy source and is formed form the remains or organisms that lived millions of years ago | 4 sets |
| 10 | any one of several nonrenewable mineral resources- coal, oil, natural gas- formed from the remains of ancient plants and animals and used for fuel | 3 sets |
| 11 | a source of energy formed from dead plants and animals | 3 sets |
| 12 | energy source formed from the residue of plants and animals buried millions of years ago | 3 sets |
| 13 | a fuel formed over millions of years from animal and plant remains | 3 sets |
| 14 | a nonrenewable energy resource formed from the remains of organisms that lived long ago; examples include oil, coal, and natural gas | 3 sets |
| 15 | general term for any hydrocarbon that may be used as a fuel, including coal, oil, and natural gas | 3 sets |
| 16 | fosilní palivo (uhlí, ropa, zemní plyn) | 3 sets |
| 17 | energy source formed from the residue of plants and animals buried millions of years ago. | 3 sets |
| 18 | a source of energy that formed from the remains of plants and animals buried deep in the earth. (ex: coal, natural gas, and petroleum (oil)) | 2 sets |
| 19 | a fuel formed in the ground from the remains of dead plants and animals; includes oil, natural gas, and coal | 2 sets |
| 20 | source of energy that formed from the remains of plants and animals buried deep in the earth. examples: coal, natural gas, and petroleum are fossil fuels | 2 sets |
| 21 | energry source formed from the residue of plants and animals buried millions of years ago. | 2 sets |
| 22 | high energy organic materials derived from the remains of mostly plants that lived and died millions of years ago, whose remains underwent chemical changes that converted them into materials such as coal, oil, natural gas, and so on. a finite resource. through human burning it also contributes greatly to global warming and other pollution problems. | 2 sets |
| 23 | a nonrenewable energy resource formed from the remains of organisms that lived long ago. | 2 sets |
| 24 | a fuel formed over millions of yerars from animal and plant remains; ex. coal, petroleum | 2 sets |
| 25 | coal, oil, or natural gas that formed over millions of years from the remains of plants and tiny animals | 2 sets |
| 26 | source of energy made from the decaying remains of plants and animals | 2 sets |
| 27 | any one of several nonrenewable mineral resources formed from remains of ancient plants and animals | 2 sets |
| 28 | mixture of hydrocarbons that formed from the remains of plants or animals | 2 sets |
| 29 | a fuel that formed over many years from the remains of living organisms | 2 sets |
| 30 | a nonrenewable energy source formed from the remains of organisms that lived long ago | 2 sets |
| 31 | combustible fossile | 2 sets |
| 32 | coal, oil or natural gas that was formed over millions ago from dead organisms that had heat and pressure applied to them | 2 sets |
| 33 | nonrenenwable fuels that are created from remains of plants and other organisms that take over millions of years. | 2 sets |
| 34 | a fuel derived from the remains of plants (or animals); coal and petroleum are fossil fuels | 2 sets |
| 35 | any one of several nonrenewable mineral resources formed from the remains of ancient plants and animals and used for fuel | 2 sets |
| 36 | residue of plants and animals that became buried millions of years ago | 2 sets |
| 37 | a nonrenewable natural resource that comes from the remains of dead plants and animals and take millions of years to form. | 2 sets |
| 38 | non-renewable energy resource made from decayed plants and animals | 2 sets |
| 39 | fuels such as coal, oil, and natural gas that are used to power factories and run cars | 2 sets |
| 40 | a general term for coal,petroleum(oil), and natural gas. comes from the remains of dead animals | 2 sets |