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Politics : Formerly About Advanced Micro Devices -- Ignore unavailable to you. Want to Upgrade?


To: d[-_-]b who wrote (391873)6/18/2008 7:30:35 PM
From: tejek  Read Replies (1) | Respond to of 1577232
 
It is a necessary evil and should be treated as such, for the most part.

This covers a period of 600 million years during which the earth went through several catastrophic events. I am not scientist but would it not be more useful to look at a smaller more recent period, say like 60k years, and see what was the norm for that period and what if any variations occurred?