Archaeologists use radioactive decay of an isotope of the element
because it has a fairly short half-life and is found in anything that was once living.

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Archaeologists use radioactive decay of an isotope of the element 
 because it has a fairly short half-life and is found in anything that was once living.

GPT-5 mini · Answer

Carbon — specifically the radioactive isotope carbon-14 (14C). It has a half-life of about 5,730 years and is incorporated into all once-living things, so archaeologists use 14C decay for radiocarbon dating.

Archaeologists use radioactive decay of an isotope of the element
because it has a fairly short half-life and is found in anything that was once living.

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Archaeologists use radioactive decay of an isotope of the element because it has a fairly short half-life and is found in anything that was once living.

All Answers 1