This is very important in determining when the organism died, so it is very valuable in determining ages of fossils and organisms that are thousands of years old.
Another well-known application for radioactive isotopes is its use in smoke detection. We have over 160 college courses that prepare you to earn credit by exam that is accepted by over 2,000 colleges and universities.
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• The applications of radioactivity to environmental studies (mostly terrestrial and coastal/estuarine).
All the atoms of an element have the same number of protons, but the number of their neutrons can differ.