Radioactive carbon dating of the earth
Since C-14 is so well distributed in the atmosphere, it is assumed the same ratio that is in the atmosphere will also be in an organism.
How carbon dating is supposed to work Once an organism dies, its C-14 decay is no longer being replaced by intake.
Since plants breath carbon dioxide, they will intake some C-14 as well and make it part of their tissue.
Animals, in turn, eat plants or other animals that eat plants, receiving the C-14.
The displaced neutrons bond with nitrogen-14 (N-14) converting it into C-14.
Misconception # 1: Carbon dating can be used to date objects that are millions or even billions of years old Carbon dating is one of the most popular radioactive dating methods used today.
Be cautious of accepting a carbon age One should not accept any age from a dating method, including carbon dating, without knowing exactly how the dating method works and its limitations.
Many people also don’t realize that carbon dating (along with other radioactive dating methods) is based upon unverifiable assumptions.
After about 8 half-lives, the remaining amount of C-14 (if there is any remaining) is too small to be measured.
For this reason, it is simply impossible for carbon dating to give dates as old as millions of years. Closed systems, void of any contamination and without loss of the parent element (C-14) or daughter element. Known amounts of parent and daughter elements present from the beginning. If the decay rate of C-14 were not always constant, then this would be devastating to the technique's credibility.