Fossil dating


02-Jun-2020 21:08

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Today, scientists use a variety of techniques to date rocks and fossils precisely.

Fortunately, paleontologists today have a number of techniques they can use to answer the question, "How old is it?

When fossils are buried one on top of another, it is easy to arrange them in chronological order.

But the same sedimentary layers can often be traced over wide areas, so even fossils from sites far apart can be arranged in a relative chronology.

But when organisms die, they no longer take in any carbon, and the carbon-14 in their bodies begins to decay at a known rate.

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Scientists use particle accelerators to measure the amount of carbon-14 in biological materials to determine when that organism died.That is a tiny amount of time in the scheme of things for our planet.



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