| 1-11 of 11Flashcard sets with a 'opportunity cost' term meaning 'the thing you give up when you decide to do or have something else' |
| # | Title | Terms | Date |
| 1 | Social Study Vocabby ninamom | 16 terms | August 20, 2009 |
| 2 | Social Vocabby ninamom | 16 terms | August 20, 2009 |
| 3 | Economics Chapter 1by oliviaiscool09 | 27 terms | September 15, 2009 |
| 4 | economicsby Dominicanosoy1 | 16 terms | October 29, 2009 |
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| 5 | Social Studies Chapter 1by angiefowler | 21 terms | October 8, 2009 |
| 6 | SS-Ch1.1by MPCSfourthgrade | 19 terms | September 20, 2008 |
| 7 | MPCS4thSSchapter 1by Trcy | 40 terms | October 4, 2009 |
| 8 | SS-Ch1by MPCSfourthgrade | 19 terms | September 20, 2008 |
| 9 | Social Studies Ch 1by evans2429 | 13 terms | August 18, 2008 |
| 10 | MPCS4thSocialStudies/Ch1Testby Trcy | 41 terms | September 8, 2008 |
| 11 | social studies vocabby pilotmatthew | 9 terms | September 11, 2008 |