"Hydrogen sulfide has been implicated in several mass extinctions that have occurred in the Earth's past. In particular, a buildup of hydrogen sulfide in the atmosphere may have caused the Permian-Triassic extinction event 252 million years ago.[48]"
I just became closer acquainted with H2S than I thought I would ever have to but times have changed and this dog has been kicked around this summer like a basketball at Little Harbour Field when the 1st grade kids decided to stop playing with their hands.
Tuesday, October 2, 2012
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