sarah pedersen dating - Carbon 14 is useful for dating fossils that are
Carbon 14 is useful for dating fossils that are Camsex no registr
The ratio of carbon-14 to carbon-12 in the atmosphere and on earth is nearly constant, although there has been some change in carbon-14 concentration over the last 10,000 years.
Carbon-14 formed in the atmosphere can combine with oxygen to form carbon dioxide (CO2).
By comparing the ratio of carbon-14 to carbon-12 in an artifact to the ratio of carbon-14 to carbon-12 in living organisms scientists can determine the age of an artifact.
If you wanted to date a fossil, first you would determine the percent carbon-14 it contained compared to a living sample.
Carbon-14 is created from nitrogen-14 in the upper atmosphere of the earth.