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Global warming my ass!
Red wrote:
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 The discussion seems to have been edited somewhat. Perhaps some learning has been imparted. Learning is good. But, on to the important part of the discussion, clearly, it is ecarecar who is the smart one. As Red has pointed out, carbon dioxide is "captured and modified." The oxygen product of photosynthesis does not come from carbon dioxide but, rather, from water where hydrogen is separated from oxygen. |
#2
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Global warming my ass!
On Dec 24, 8:08*am, ecarecar wrote:
Red wrote: 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 The discussion seems to have been edited somewhat. * Perhaps some learning has been imparted. *Learning is good. But, on to the important part of the discussion, clearly, it is ecarecar who is the smart one. As Red has pointed out, carbon dioxide is "captured and modified." *The oxygen product of photosynthesis does not come from carbon dioxide but, rather, from water where hydrogen is separated from oxygen. I still say you're wrong. Here's my last attempt to prove it. The formula for the chemical process of photosynthesis is: 6 H2O + 6 CO2 ---------- C6 H12 O6 + 6 O2 In otherwords, the plant takes in 6 parts water and 6 parts CO2. It converts it into sap, 6 parts C (from the C02), 12 parts H (6xH2), and 6 parts O (from the H2O). That leaves 6 parts O2 (from the CO2) excess to be released back into the atmosphere. You can argue all you want where the sap's O6 comes from, but the end result is that the plant takes CO2 from the air, uses the C, and releases back to the atmosphere an equal amount of O2 that it took in. That was my initial comment and you have done nothing to disprove it. Red |
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