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On the other hand, short-term variations show irregular fluctuations in the radiocarbon age from the real age.These deviations apparently reveal that the assumptions made concerning the radiocarbon technique were not accurate.

Secondly, the method also assumes that the carbon supply to the organism was made only by the global carbon cycle and no other source of carbon has affected the system.

Within this cycle, radioactive carbon-14 is continuously created and disintegrated. Since the total amount of carbon on the Earth is constant, a constant ratio is established between the amount of stable and radioactive carbon.

This same ratio is valid in all the reservoirs of carbon in this giant cycle.

Initial concerns about the possible sources of error were focused on the constant ratio assumption.

So, why did the constant ratio assumption turn out to be incorrect?

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