This is an old revision of this page, as edited by Hrafn (talk | contribs) at 16:06, 23 January 2009 (Undid revision 265921213 by 212.64.228.99 (talk)). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.
Revision as of 16:06, 23 January 2009 by Hrafn (talk | contribs) (Undid revision 265921213 by 212.64.228.99 (talk))(diff) ← Previous revision | Latest revision (diff) | Newer revision → (diff)Chemical evolution may refer to:
- Nucleosynthesis of the chemical elements in the universe following the Big Bang and in stars and supernovas.
- Abiogenesis, the study of how life on Earth may have emerged from non-life.
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