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USGS CMG InfoBank Geology School: half-life

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Title Comment Keywords
Half Life of Carbon 20:27 - 21:37 (01:10) / 1.8 MB "half-life", "radioactive decay", carbon-14, radioisotope, "absolute age dating"
Geology School Keywords
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Page Last Modified: Tue Feb 5 05:13:01 PST 2013  (chd)