| 1-2 of 2Flashcard sets with a 'fossil fuel' term meaning 'any one of several nonrenewable mineral resources formed from the remains of ancient plants and animals and used for fuel' | |||
|---|---|---|---|
| # | Title | Terms | Date |
| 1 | Unit 1 chapter 4 sectionby ashtwyat | 17 terms | October 16, 2009 |
| 2 | Physics World Resources Chpt 4, Section 1by kreaves | 18 terms | September 30, 2008 |