(approximately 78% of atmospheric gases) by thermal neutrons which come from the powerful cosmic radiation, primarily generated by the sun.
If this water vapor did exist in the past, then it would have effectively shielded the atmosphere from much of the cosmic radiation.
Then, in another 5,730 years, a second decay period would occur, leaving one quarter of a pound.
The process would continue, halving the amount left every 5,730 years until, theoretically, nothing remained of the original pound.
The topic of radiometric dating has received some of the most vicious attacks by young earth creation science theorists.
However, none of the criticisms of young earth creationists have any scientific merit.