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Between the early 9th century and the early 15th century, 26 monarchs ruled successively over the Khmer kingdom (known as Angkor, the modern name for its capital city).

Carbon dating facts

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All living things on Earth are made up of a high percentage of an element called carbon.

Carbon combines with other elements in complex ways to form the molecules that make up our bodies.

But while the difficulties of single life may be intractable, the challenge of determining the age of prehistoric artifacts and fossils is greatly aided by measuring certain radioactive isotopes.

Until this century, relative dating was the only technique for identifying the age of a truly ancient object.

carbon dating facts-75

The carbon-14 it contained at the time of death decays over a long period of time, and the radioactivity of the material decreases.Green plants absorb the carbon dioxide, so the population of carbon-14 molecules is continually replenished until the plant dies.Carbon-14 is also passed onto the animals that eat those plants.These dating techniques are by no means perfect, but they are always improving, and they are the best methods that we have at this time.Love-hungry teenagers and archaeologists agree: dating is hard.In 1960, Willard Libby was awarded with a Nobel Prize due to his invention.