How is radiactivedating performed

If you have a CT of your upper abdomen, the absorbed dose to your chest is very low, because it has only been exposed to a small amount of scattered radiation.

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Unlike people, you can’t really guess the age of a rock from looking at it.X-rays, unlike sunlight, can penetrate deep into the body and deposit energy in internal organs. Absorbed dose describes the intensity of the energy deposited in any small amount of tissue located anywhere in the body.The unit of measurement for absorbed dose is the milligray (m Gy).There are two basic approaches: relative age dating, and absolute age dating.Here is an easy-to understand analogy for your students: relative age dating is like saying that your grandfather is older than you.

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