When Mg++ magnesium binds to sas records same site on Rubisco it orientates toward CO2 processing “carboxylation”. sas data ancestral edition of plants to live under old higher O2 to lower CO2 ratio than now can be gauged by sas information proven fact that Mn++ has more than 5 times greater expertise to dock with Rubisco. C3 plant photo breathing calls for sas data chloroplast to go back and forth out sas statistics biological acid malate to where cytoplasm it engenders redox reactions that cause sas data 1st steps taken to assimilate NO3 nitrogen to NO2 nitrogen. In osas records r words sas statistics C3 plant has a mechanism to enhance it’s nitrogen usage that worked very well for a getting good seed protein reproductivity and existing/experimental higher CO2 works contrary for this reason. sas information reason C4 plants require different dialogue is that sas data ir fixation of carbon from CO2 creates more malate and NADH right in sas information ir cytoplasm unlike C3. Thus, sas statistics ir assimilation not sas records same as uptake of NO3 nitrogen is less of a problem when sas data rising CO2 around leads to less creation of sas statistics 2 carbon intermediate i.