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Re: Impact senerios
> In a message dated 97-02-20 12:11:48 EST, you write:
> << some scientists have speculated on acid rain levels high enough
> to drive ocean ph to 4-5. This would have killed everything. Pretty
> stupid suggestion.
> Not such a STUPID suggestion if volcanic activity was extreme!
Nothing alive today in the oceans can live in that ph. let alone in
freshwater. Vertually all aquatic life would have become extinct.