03-18-2008, 12:32 PM
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Guest
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Join Date: Feb 2007
Location: H-Town, Texas
Posts: 18,009
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Re: Grass is Green
Quote:
Originally Posted by Ferd
Plants use photosynthisis to process carbon dioxide C02. It uses the Carbon for energy and expells the oxygen.
however, at night and during especially cold periods plants respirate. Meaning they take in Oxygen and expel CO2.
recent studies suggest that trees over a certain elevation actually produce more C02 than they consume.
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