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Unfortunately, these elements don't exist in dinosaur fossils themselves.Each of them typically exists in igneous rock, or rock made from cooled magma.How long has the competitor taken to swim the 1,500 metre race?

This is a good summary of why his recent porkies are pure Ham. utm_source=feedburner&utm_medium=email&utm_campaign=Feed: Science And Religion AView From An Evolutionary Creationist (Science and Religion: A View from an Evolutionary Creationist) I don’t know why he does it Answers in Genesis now has a “Check this Out” feature where they tackle a scientific claim which argues for an old earth and try to debunk it.

To determine the ages of these specimens, scientists need an isotope with a very long half-life.

Some of the isotopes used for this purpose are uranium-238, uranium-235 and potassium-40, each of which has a half-life of more than a million years.

This is what archaeologists use to determine the age of human-made artifacts. The half-life of carbon-14 is only 5,730 years, so carbon-14 dating is only effective on samples that are less than 50,000 years old.

Dinosaur bones, on the other hand, are millions of years old -- some fossils are billions of years old.

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