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As any first-year student of algebra soon learns, a single equation with two unknown variables cannot be solved.

For example, K-Ar dating assumes that there was no argon in the original rock.

But if there was argon in the rock when it originally formed, then the age calculated will be millions of years too high. The greater the amount of daughter isotope, the greater the apparent age.

Radiometric dating utilizes the decay rates of certain radioactive atoms to date rocks or artifacts.

Uniformitarian geologists consider this form of dating strong evidence that the Earth is billions of years old.

Last modified 30-Aug-2016 10:29