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(These include the variety of elements used in ‘standard’ radioisotope dating, mature uranium radiohalos and fission track dating.) It would be hard to imagine that geologic processes alone could explain all these.
Rather, there was likely to be an answer that concerned the nuclear decay processes themselves.
For solid recovered fuels and CO2, ASTM D6866 measures the biogenic carbon content – the amount of biomass-derived carbon in the material as compared to its total carbon content. The current active version of the standard is ASTM D6866-16 effective June 2016.
The ASTM D6866 working standard was completed in 2004 and is now cited in Federal Law (7 CFR part 2902).
Others had tried to find an answer in geological processes—e.g.
This means that although they are very similar chemically, they have different masses.
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It is used for designating manufactured items for inclusion in the federal government’s preferred procurement list.
This standard was written at the request of the USDA to satisfy legislation requiring federal agencies to prefer procurement of products with the greatest amount of renewable biomass (vs.
There must have been speeded-up decay, perhaps in a huge burst associated with Creation Week and/or a separate burst at the time of the Flood.