Oxaloacetic acid or malate synthesized by this process is then translocated to specialized bundle sheath cells where the enzyme RuBisCO and other Calvin cycle enzymes are located, and where CO 2 released by decarboxylation of the four-carbon acids is then fixed by RuBisCO activity to the three-carbon 3-phosphoglyceric acids. At the same time, the transfer of water molecules from soil to the atmosphere is mediated by vegetation, both directly from transpiration through plant stomata and indirectly from shading and temperature influences on direct evaporation from soil. Sindone con il radiocarbonio - Typescript, Gennaiopp. As time passed, this Ar40 would gradually pass into the atmosphere, reducing this effect and making rocks appear younger. Suppose these mix together so that at point 0 we have only A, at point 1 we have only B, and in between we have varying concentrations. Because, any testing of any portion of the object would give the same results. None of these results are only a few thousand years old.