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Desmond Clark (1979) wrote that were it not for radiocarbon dating, "we would still be foundering in a sea of imprecisions sometime bred of inspired guesswork but more often of imaginative speculation" (Clark, 1979:7).Writing of the European Upper Palaeolithic, Movius (1960) concluded that "time alone is the lens that can throw it into focus".After two half-lives, the mother substance will decay another 50%, leaving 25% mother and 75% daughter.A third half-life will leave 12.5% of the mother and 87.5% daughter.Archeologists and geologists use half-life to date the age of organic objects in a process known as carbon dating. At the time of death organisms stop producing carbon 14.Since half life is a constant, the ratio of carbon 14 to nitrogen 14 provides a measurement of the age of a sample.Naturally occurring graphite occurs in two forms, alpha and beta.These two forms have identical physical properties but different crystal structures.

When it decays to stable nickel, it emits two relatively high-energy gamma rays.

This argument was popularized by Henry Morris (1974, p.164), who used some calculations done in 1968 by Melvin Cook to get the 10,000-year figure. Whitelaw, using a greater ratio of carbon-14 production to decay, concluded that only 5000 years passed since carbon-14 started forming in the atmosphere!

The argument may be compared to filling a barrel which has numerous small holes in its sides.

Atomic Number: 6 Atomic Weight: 12.0107 Melting Point: 3823 K (3550°C or 6422°F) Boiling Point: 4098 K (3825°C or 6917°F) Density: 2.2670 grams per cubic centimeter Phase at Room Temperature: Solid Element Classification: Non-metal Period Number: 2 Group Number: 14 Group Name: none What's in a name? Three naturally occurring allotropes of carbon are known to exist: amorphous, graphite and diamond.

Carbon is most commonly obtained from coal deposits, although it usually must be processed into a form suitable for commercial use.

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