Changes

With substances such as uranium, there is no creation of new uranium in the history of the world (with the exception of the very recent phenomenon of nuclear enrichment - which never gets back into ancient rocks so this is moot).

With substances such as uranium, there is no creation of new uranium in the history of the world (with the exception of the very recent phenomenon of nuclear enrichment - which never gets back into ancient rocks so this is moot).

Young Earth Creationists assert that the rate of formation of carbon 14 changed with creation and the flood leading to incorrect results for dating. However, this remains purely hypothetical and no supporting fact is known.

Young Earth Creationists assert that the rate of formation of carbon 14 changed with creation and the flood leading to incorrect results for dating. Moreover, there is no evidence the rate of decay of carbon 14 has been constant over long periods of time.

=== Rate of decay ===

=== Rate of decay ===