1. Food in - Waste out
But food = chemical energy so

2. Chemical energy in - waste out
But chemical energy comes from the sun
(almost always)

3. Sun energy powers chemical energy in - waste out.
But before chem energy just sun energy.

4. Sun energy on prebiotic chemicals with
some prebiotic chemicals and processes more
stable than others. A sort of 'sun' selection.
But before this:

5. Sun energy on primordial sea produces
chemicals and monomers.

6. Sun cyclical energy keeps water in liquid form

Comment?
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 * RgateImp.MoonDog.BBS at 11/28/04 6:18:07 AM