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Re: Theories on the extinction of dinosaurs
In a message dated 11/12/99 9:02:23 PM EST, firstname.lastname@example.org writes:
<< Hmm...why does there have to be one distinct cause of extinction? >>
Because as far as we know, the extinction happened all over the world at
exactly the same time, within the resolution afforded by the geological
column. For multiple causes to all converge like that on one narrow time span
worldwide is well-nigh impossible.