nbc direct updating - Hazards of carbon dating

A molecule of nitrogen gas is made up of two nitrogen atoms.

hazards of carbon dating-32

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...prehistoric archaeology occurred in 1948, when Willard F.

Libby, at the University of Chicago, developed the process of radioactive carbon dating.

Different isotopes tend to concentrate in particular organs: for example, iodine-131 settles in the thyroid gland and can reveal a variety of defects in thyroid functioning.