| 1-2 of 2Flashcard sets with a 'nitrogen fixation' term meaning 'the process of changing free nitrogen into a usable form of nitrogen' | |||
|---|---|---|---|
| # | Title | Terms | Date |
| 1 | pages 48-53by jtownsend | 5 terms | May 26, 2009 |
| 2 | Science Ch 22by jjk381 | 35 terms | October 27, 2008 |