Radiocarbon dating and evolution

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Paleontology seeks to map out how life evolved across geologic time.

A substantial hurdle is the difficulty of working out fossil ages.

Strata are differentiated from each other by their different colors or compositions and are exposed in cliffs, quarries, and river banks.

These rocks normally form relatively horizontal, parallel layers, with younger layers forming on top.

This is not an indication of a security issue such as a virus or attack.If a fossil is found between two layers of rock whose ages are known, the fossil’s age is thought to be between those two known ages.Because rock sequences are not continuous, but may be broken up by faults or periods of erosion, it is difficult to match up rock beds that are not directly adjacent.There are several different methods for estimating the ages of fossils, including: Paleontologists rely on stratigraphy to date fossils.Stratigraphy is the science of understanding the strata, or layers, that form the sedimentary record.

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