RE: The cambrian explosion
January 3, 2015 at 8:27 pm
(This post was last modified: January 3, 2015 at 8:29 pm by abaris.)
(January 3, 2015 at 8:23 pm)polar bear Wrote: What proof do we have that the environment changed?
Geology. Think of the earth as a multi layered cake, that you can read if you cut pieces out. Not that it will make any difference when talking to christers.
![[Image: gaines-nature2-1000.jpg]](https://images.weserv.nl/?url=www.pomona.edu%2Fnews%2F2012%2F04%2Fimages%2Fgaines-nature2-1000.jpg)