Puns about Nature (Ecology)
| 1. | Those who study the moon are optimists. They look at the bright side. | |
| 2. | If we don't conserve water we could go from one ex-stream to another. | |
| 3. | He was hit on the head during a hail storm and was knocked out cold. | |
| 4. | You should never take rocks for granite. | |
| 5. | If you drive through swamp country you will see swamps going bayou. | |
| 6. | If you swallow uranium you will probably get atomic ache. | |
| 7. | Even though the well was a mystery to her, she didn't want to get to the bottom of it. | |
| 8. | For a long time, black holes were a dark secret. | |
| 9. | A rise in mercury sometimes mars life on earth, how else would nature planet? JA - Houston
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| 10. | What's the difference between a Shaker and a Quaker? About two points on the Richter Scale. |

