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Brown, "Radiocarbon Age Measurements Re-examined," in Review and Herald, October 28, 1971, pp. Radiocarbon in the atmosphere was markedly different prior to 1600 B. "It was found that the activity of radiocarbon in the atmosphere was going up and down even before the Industrial Revolution [when additional smoke began polluting the air]."—*H. For a 40,000 year old sample, the figure is only 5 percent, while an error of 50,000 years can be produced by about 1 percent of modern material. The age of prehistoric artifacts, the age of the earth, and that of the universe would be thrown into doubt."—*F. Jueneman, article in Industrial Research, 14 (1972), p. "Some geologists question the use of the C-14 method for samples stored under moist conditions. von Fange, "Time Upside Down," in Creation Research Society Quarterly, June 1974, p.

Much more must be done on chemical purification of samples."—*F. This is a most serious limitation, for who can be sure that a given sample has not been moistened?

Arnold and I had was that our advisors informed us that history extended back only 5,000 years . You read books and find statements that such and such a society or archaeological site is [said to be] 20,000 years old. Olsson introduce their report with these words: "C-14 dating was being discussed at a symposium on the prehistory of the Nile Valley.

At normal [present] growth rates, between 500-2,000 solar years would be required for the development of an eighteen-inch peat layer.

To figure out which is the right age, researchers have to sample in two locations on the ivory, said Uno, who performed the research while he was doctoral student at the University of Utah.

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