bi rain dating megan fox - Absolute radiometric dating

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Relative ages are assigned to rocks based on the idea that rock layers lower in the strata were deposited before rock layers that are higher.

Creationists do not necessarily disagree with this concept, but it can only be applied to layers that are found in one location and/or can be determined to have been deposited in a continuous layer over a very wide area.

The starting isotope is called the parent and the end-product is called the daughter.

The time it takes for one half of the parent atoms to decay to the daughter atoms is called the half-life.

There are three main assumptions that must be made to accept radiometric dating methods.

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