| 1-2 of 2Flashcard sets with a 'carbon dioxide' term meaning 'commonly written as co2. it is a molecule that is released when we burn many fossil fuels especially coal. while it is the most common greenhouse gas, a certain amount is also necessary for our survival because plants use carbon dioxide to make the oxygen we breathe.' | |||
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| # | Title | Terms | Date |
| 1 | 7th grade quiz! (part of Mrs. Dukes soon quiz)!by pizzabasil | 11 terms | March 1, 2008 |
| 2 | cac 7th grade wordsby pizzabasil | 11 terms | March 1, 2008 |