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The earth is called a closed ecosystem,it is materially closed in a cycle,but it is Energy Open,Our Sun,called Sol,sends photons down in wavicles of energy to power the Winds and Rains and the Photosynthesis of Plants to make Carbohydrates and food for plants and animals..This can be called the Carbohydrate Economy.it is the natural economy of Nature and has been working smoothly for millions of years..it is Priceless...and Free..
Posts: 89 | From: santa rosa,ca.u.s.a. | Registered: Aug 2000
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