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petronius

(26,695 posts)
7. Interesting idea, and not one we can put off forever. I suspect most water molecules
Mon May 25, 2015, 02:31 PM
May 2015

have an unsavory experience somewhere in their history - that glass of so-called orange juice this morning may have been dinosaur pee for all you know! It would be interesting to calculate the percentage of Earth's water that passes through a excretory system in any given year/decade/century/millennia...

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