[archiveorg sim_coal-age_1915-08-07_8_6 width=560 height=384 frameborder=0
webkitallowfullscreen=true mozallowfullscreen=true]<![CDATA[a:3:{s:4:"time";d:1558832797.494503;s:5:"event";s:9:"check-ham";s:4:"user";s:12:"lifesavvy101";}]]>35891nav_menu<![CDATA[primary]]><![CDATA[Primary]]c>'''Carbon-14''' (14C), or '''radiocarbon''', is a [[radioactive
isotope]] of [[carbon]] with an [[atomic nucleus]] containing 6 [[protons]] and
8 [[neutrons]]. Its presence in organic materials is the basis of the
[[radiocarbon dating]] method pioneered by [[Willard Libby]] and colleagues
(1949) to date arch| type_species = [[Pusa hispida]] | subdivision_ranks =
Species | subdivision = ''[[Pusa caspica]]''
''[[Pusa hispida]]''
''[[Pusa sibirica]]'' }}
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