What does carbon dating determine

Knowing how long alcohol ethanol remains in your system is important for avoiding dangerous interactions with medications as well as impairments in your physical and mental performance. While alcohol is not considered a controlled substance under the Controlled Substances Act CSA , it is illegal to sell or serve to anyone under the age of 21 in the United States. The metabolism of alcohol has been studied in detail, but there are many individual factors that determine how long it can be detected in your body and how long it will take to be eliminated. Depending on the type of test used as well as your age, body mass, genetics, sex, and overall health, alcohol can remain detectable in your system from 10 hours to 90 days.
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Carbon Dating

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Carbon dating accuracy called into question after major flaw discovery

By: Tracy V. When paleontologist Mary Schweitzer found soft tissue in a Tyrannosaurus rex fossil , her discovery raised an obvious question -- how the tissue could have survived so long? The bone was 68 million years old, and conventional wisdom about fossilization is that all soft tissue, from blood to brains , decomposes. Only hard parts, like bones and teeth, can become fossils.
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Carbon dating accuracy called into question after major flaw discovery

Archaeologists use many different techniques to determine the age of a particular artifact, site, or part of a site. Two broad categories of dating or chronometric techniques that archaeologists use are called relative and absolute dating. Stratigraphy is the oldest of the relative dating methods that archaeologists use to date things.
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Holotropic breathwork HB has become increasingly popular among those seeking to explore a unique process of self-healing to attain a state of wholeness. This unconventional New Age practice was developed by psychiatrists Stanislav and Christina Grof in the s to achieve altered states of consciousness without using drugs as a potential therapeutic tool. Holotropic breathwork involves controlling and quickening breathing patterns to influence your mental, emotional, and physical states.
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