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A similar program exists in seawater, in which 44Ca/40Ca tends to rise when the speed of removing of Ca2+ by mineral precipitation exceeds the enter of new calcium into the ocean. In 1997, Skulan and DePaolo presented the initial proof of adjust in seawater 44Ca/40Ca more than geologic time, along with a theoretical clarification of these alteratio

Water additive which encourages powerful enamel; erosion of natural deposits; discharge from fertilizer and aluminum factoriesPerfluorohexane sulfonate is actually a member of a group of perfluorinated substances used in quite a few client items. Perfluorinated chemicals may cause serious health outcomes, such as most cancers, endocrine disruption,