To learn more, visit our Earning Credit Page. Holt McDougal Introduction to Geography: Introduction to Physical Geology: Radiometric dating or radioactive dating is a technique used to date materials such as rocks or carbonin which trace radioactive impurities were selectively incorporated when they were formed. Samples are exposed to neutrons in a nuclear reactor.
What is Relative Dating?
What teachers are saying about Study. Not sure what college you want to attend yet? United States Geological Survey. All ordinary matter is made up of combinations of chemical elementseach with its own atomic numberindicating the number of protons in the atomic nucleus. Help and Review Holt Chemistry: Meteoritics and Planetary Science.