Carbon dating pros

12-Jun-2018 06:11

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How do scientists know how old an object or human remains are?What methods do they use and how do these methods work?Carbon dates reported in the 1950s and 1960s should be questioned, because those studies were conducted before carbon dating was calibrated by comparision with other dating methods.Nuclear tests, nuclear reactors and the use of nuclear weapons have also changed the composition of radioisotopes in the air over the last few decades.When scientists first began to compare carbon dating data to data from tree rings, they found carbon dating provided "too-young" estimates of artifact age.Scientists now realize that production of carbon-14 has not been constant over the last 10,000 years, but has changed as the radiation from the sun has changed.It makes no sense at all if man appeared at the end of billions of years.

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Radioactive dating gives hope for an objective empirical method of determining the age of fossils.

It is used in dating things such as bone, cloth, wood and plant fibers that were created in the relatively recent past by human activities.

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