Carbon 14 dating assumes that the carbon dioxide
Carbon 14 dating assumes that the carbon dioxide on earth today has the same radioactive content as it did centuries ago.If this is true, the amount of carbon 14 absorbed by a tree that grew several centuries ago should be the same as the amount of carbon 14 absorbed by a tree growing today.
How long ago was the tree burned to make the ancient charcoal if the half-life of carbon 14 is 5730 years?
When the neutron collides, a nitrogen-14 (seven protons, seven neutrons) atom turns into a carbon-14 atom (six protons, eight neutrons) and a hydrogen atom (one proton, zero neutrons).
Carbon-14 is radioactive, with a half-life of about 5,700 years.
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Radioactive and non-radioactive carbon dioxide mix throughout the atmosphere, and dissolve in the oceans.