How to solve a carbon dating problem

07-Dec-2019 12:58

After an organism dies, the radiocarbon decreases through a regular pattern of decay. The time taken for half of the atoms of a radioactive isotope to decay in Carbon-14’s case is about 5730 years.Half-lives vary according to the isotope, for example, Uranium-238 has a half-life of 4500 million years where as Nitrogen-17 has a half-life of 4.173 seconds!In a stratigraphical context objects closer to the surface are more recent in time relative to items deeper in the ground.

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Potassium-40 is another radioactive element naturally found in your body and has a half-life of 1.3 billion years.Radiocarbon is then taken in by plants through photosynthesis, and these plants in turn are consumed by all the organisms on the planet.