None of these methods can be used directly on fossils or the sedimentary rock in which fossils are found.All radiometric dating (with the exception of carbon dating) must be done on igneous rocks (rocks solidified from a molten state such as lava).
Evolution, depending as it does on pure chance, requires an immense amount of time to stumble upon anything remotely approaching the integrated complexity we see in even the simplest living things.
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This extrapolation is based on the fact that an unstable (radioactive) chemical element, called the parent isotope, breaks down at a presently known rate to form a more stable daughter isotope.
In the case of radiocarbon dating, an unstable isotope of carbon (C by half every 5,730 years (the half-life).