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OpenStudy (anonymous):
A geologist finds that the number of fossils in a rock layer had significantly fewer fossils of all types than the layers above and below it. Which Is the best conclusion? A. Some type of mass extinction event occurred during this time. B. An asteroid impacted the earth during this time. C. The earth's magnetic pole shifted during this time. D. The rate of sedimentation changed during this time.
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OpenStudy (therealmeeeee):
http://help.openstudy.com/updates/528b9c0ee4b09a30e7651b0d Answers is right there ^
OpenStudy (anonymous):
no
OpenStudy (anonymous):
one person says a another says d so is it a or d
OpenStudy (therealmeeeee):
It'd D dude dang
OpenStudy (anonymous):
ok thank u
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OpenStudy (therealmeeeee):
Now you can close this question and close the OTHER one too
OpenStudy (anonymous):
ok
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