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This increases the ratio, causing the age of a sample to measure younger than it really is.Still, with the knowledge of the amount of deviation that an increase or decrease in C-14 atoms will cause, we can account for these discrepancies by simply subtracting or adding the error from or to the apparent age to obtain the real age.The radioactive carbon will react with oxygen in the atmosphere to produce radioactive carbon dioxide.This radioactive carbon dioxide is breathed in and stored by plants, which are consumed by herbivores, who are preyed on by carnivores or omnivores, such as humans.

Extend the trend and one discerns that accurately measuring that the entirety of the atoms decays or, at least the percentage below which they become undetectable, after around 50,000 years.It is rapidly oxidized in air to form carbon dioxide and enters the global carbon cycle.Plants and animals assimilate carbon 14 from carbon dioxide throughout their lifetimes.An increase in C-12 means that the ratio is now reduced, which means that the age of a sample will measure to be older than it really is!Conversely, nuclear explosions produce tremendous amounts of C-14, so the plethora of nuclear tests we have conducted has increased its amount in the atmosphere.

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