Replies

To: decimon; SunkenCiv

I thought the consensus was cyanobacteria were largely responsible for the oxygenation.

13 posted on 02/21/2011 2:47:54 PM PST by colorado tanker

To: colorado tanker

Not sure, but I think the oxyenobacteria were responsible for the cyanogenation.

14 posted on 02/21/2011 3:16:32 PM PST by SunkenCiv (The 2nd Amendment follows right behind the 1st because some people are hard of hearing.)

FreeRepublic, LLC, PO BOX 9771, FRESNO, CA 93794