Sentences with phrase «decay at a steady rate»

(All organisms take in carbon - 14, a rare radioactive isotope, while they are living; when they die, the carbon decays at a steady rate.

Not exact matches

At a very steady rate, unstable carbon - 14 gradually decays to carbon - 12.

Dinosaurs which are supposed have lived at least 60 million years ago, should not yield At a very steady rate, unstable carbon - 14 gradually decays to carbon - 1at least 60 million years ago, should not yield At a very steady rate, unstable carbon - 14 gradually decays to carbon - 1At a very steady rate, unstable carbon - 14 gradually decays to carbon - 12.

The technique hinges on carbon - 14, a radioactive isotope of the element that, unlike other more stable forms of carbon, decays away at a steady rate.

Here is how carbon dating works and the assumptions it is based At a very steady rate, unstable carbon - 14 gradually decays to carbon - 12.

The two main types of dating methods are At a very steady rate, unstable carbon - 14 gradually decays to carbon - 12.

G. Brent Dalrymple's classic debunking of the young - earth «scientific» creationism's dating methods with a short explanation of how geologists know the age At a very steady rate, unstable carbon - 14 gradually decays to carbon - 12.

All original human CO2 is gone in about 60 years, while still about 10 % of the original peak in CO2 (100 % caused by humans) is measurable after 160 years... The measured response of the ocean - atmosphere carbon cycle in 1988 at 350 ppmv (60 ppmv above steady state) gives an e-fold decay rate of ~ 55 years: http://www.john-daly.com/carbon.htm» ANSWER: What is to be considered is the simple problem (the equation at the top of this reply) constrained by the four monthly time series (CO2)(t) and its delta13C (t), f anthropic (t) and its delta13C (t).