What is the difference between radioactive dating and radiometric dating girls for dating from usa

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However, to read any clock accurately we must know where the clock was set at the beginning.Most people think that radioactive dating has proven the earth is billions of years old.Radiometric dating measures the decay of radioactive atoms to determine the age of a rock sample.It is founded on unprovable assumptions such as 1) there has been no contamination and 2) the decay rate has remained constant.He then conducted experiments on other samples and realized that the numbers held consistent.

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This dating can be used on once-living items and can provide information on related spaces.

For example, an age can be estimated for a strata of rock based on the age of the skeletons it holds. Libby, a professor at the University of Chicago, in 1949.

Libby compared C14 samples from wood in an Egyptian tomb with that from living trees to determine the half-life of C14.

By dating rocks of known ages which give highly inflated ages, geologists have shown this method can’t give reliable absolute ages.

Many geologists claim that radiometric “clocks” show rocks to be millions of years old.

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