The same program exists in seawater, in which 44Ca/40Ca has a tendency to rise when the speed of removal of Ca2+ by mineral precipitation exceeds the enter of latest calcium into the ocean. In 1997, Skulan and DePaolo offered the first evidence of transform in seawater 44Ca/40Ca around geologic time, https://cashlyhpj.blogzag.com/72586551/examine-this-report-on-environmental-hazardous-materials-in-santa-ana