Oxygen
| Details | |
|---|---|
| Joke ID | #899 |
| Funny |    (2.29) |
| Rating |   (0.84) |
| Category | One Liners |
| Submitted By | Gizzer     |
| Special |
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| Rate Joke | |
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(79 votes so far)
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Overheard at an exhibit in the science museum:
"It says here that oxygen was discovered over two hundred years ago."
"Wow! What did people breathe before that?"
