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04-20-2010, 09:27 PM
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#18 |
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Only looks like a disaster tourist
Join Date: Feb 2007
Location: above 7,000 feet
Posts: 7,208
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A plant is mostly made out of what comes from the air, not what comes from the ground, so if you burn the plant residue it will go into the air and eventually will be used to make new plants.
And making the plant does take a lot of energy, which comes from the sun. |
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