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This technique is not restricted to bones; it can also be used on cloth, wood and plant fibers.

Carbon-14 dating has been used successfully on the Dead Sea Scrolls, Minoan ruins and tombs of the pharaohs among other things. The half-life of carbon-14 is approximately 5,730 years. dinosaurs the evolution alleges lived millions of years ago.

Modern Radiometric Dating Techniques Modern radiometric dating uses many different techniques to identify both organic and inorganic objects.

For example, uranium-lead experiments are often conducted on older, inorganic objects because uranium-lead conversions have a much longer half-life than other isotopes.

However, Carbon-14 tests are conducted on relatively young, organic objects because organisms only replenish Carbon-14 while they are alive.

By using Carbon-14 tests, scientists can calculate how long it has been since the organism died.

This rules out carbon dating for most aquatic organisms, because they often obtain at least some of their carbon from dissolved carbonate rock.

Advantages and Disadvantages Radiometric dating has several important advantages and disadvantages, but is the only practical method scientists currently have for dating objects.

Advantages include the ability to date an object without destroying it, having many different techniques to choose from, and the ability to procure a relatively accurate age of objects that are hundreds of thousands, millions, or even billions of years old.

Levels of carbon-14 become difficult to measure and compare after about 50,000 years (between 8 and 9 half lives; where 1% of the original carbon-14 would remain undecayed).

The question should be whether or not carbon-14 can be used to date any artifacts at all? There are a few categories of artifacts that can be dated using carbon-14; however, they cannot be more 50,000 years old.

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Radiometric dating is a process of identifying the age of a material based on known half-lives of decaying radioactive materials found in both organic and inorganic objects.

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