Subject: Any correlation between mass extinctions and reversal of magnetic field?
Date: Sun Aug 22 11:51:33 1999
Posted by Michael Smith
Grade level: nonaligned
School: No school entered.
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Area of science: Earth Sciences
ID: 935337093.Es
Message:
Has there been any research correlating periods of "mass extinctions" with
changes in the Earth's magnetic field? Has the Earth's magnetic field ever
reversed?
Re: Any correlation between mass extinctions and reversal of magnetic field?
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