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Archaeology and other human sciences use radiocarbon dating to prove or disprove theories.
Over the years, carbon 14 dating has also found applications in geology, hydrology, geophysics, atmospheric science, oceanography, paleoclimatology and even biomedicine.
The half-life of C-14, however, is only 5,730 years.
C-14 is used often in dating artifacts from humans.
Carbon-14 dating can be used on objects ranging from a few hundred years old to 50,000 years old.
When the stocks of Oxalic Acid I were almost fully consumed, another standard was made from a crop of 1977 French beet molasses.Background samples analyzed are usually geological in origin of infinite age such as coal, lignite, and limestone.