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"Cousin Ricky" <ric### [at] yahoo com> wrote:
> For what it's worth, the reaction ceased about a billion years before
> multicellular organisms evolved. At the time, the upstart cyanobacteria were
> still struggling to poison all life on earth with their chemical waste, oxygen.
> Hmmm... nuclear hotbeds, 0; species that decimate everything in their wake, 2.
The cyanobacteria obviously were unsuccessful: Other species adapted to "eating"
their waste.
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