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Global warming my ass!
On Dec 23, 9:13*pm, "SteveB" wrote:
"ecarecar" wrote in message That is wrong; it is NOT correct. The oxygen produced in photosynthesis comes from water which is split into hydrogen and oxygen. *(Ref. any college - or probably high school - biology book) Or go to this site on Google and find out how stupid you truly a http://www.emc.maricopa.edu/faculty/...BioBookPS.html HTH, but I doubt it. Not sure from your comment which one of us you think is stupid, but your link points to ecarecar. Quoted from your referenced link: The Carbon Cycle Plants may be viewed as carbon sinks, removing carbon dioxide FROM THE ATMOSPHERE and oceans by fixing it into organic chemicals. two steps in the photosynthesis process: In the Light Independent Process, carbon dioxide FROM THE ATMOSPHERE (or water for aquatic/marine organisms) is captured and modified by the addition of Hydrogen to form carbohydrates The raw materials of photosynthesis, water and carbon dioxide, enter the cells of the leaf, and the products of photosynthesis, sugar AND OXYGEN, leave the leaf. Carbon dioxide cannot pass through the protective waxy layer covering the leaf (cuticle), but it can enter the leaf through an opening (the stoma) flanked by two guard cells. Likewise, OXYGEN PRODUCED BY PHOTOSYNTHESIS can only pass out of the leaf through the opened stomata. Red |
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