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27 Jan

Despite this apparent difficulty for the recent-creation view, this is, in fact, a much more serious problem for the old-earth view!

In principle, this decay rate may be used to “date” the time since an organism’s death.

But the calculated dates will only be accurate if the assumptions behind the method are correct.

Second, such large calculated ages are based on the C/C ratio has remained unchanged for tens of thousands of years.

A global flood like the one described in the Bible would invalidate this assumption.

Because the present decay rates of these heavier isotopes are so small, the assumption that these rates have always been constant naturally leads to age estimates of millions and even billions of years.

Interestingly, however, some radioisotope methods tend to consistently yield younger age estimates than others, even when the techniques are used on the same rock units.

Radiocarbon Basics Carbon comes in three “varieties” or isotopes: C is 5,730 years.