Carbon-14 is useful in dating archeological artifacts because
of the following reasons:
carbon-14 is radioactive meaning it
decays spontaneously with a half-life of 5730 years, it is absorbed by
plant durng photosynthesis making it
part of the plant, carbon-14 has it
non-radioactive counterpart which is also available in the plant body. It has a
half-life of almost 50 thousand years making it possible to date object as old
as 50,000 years, and lastly carbon atom is part of both plant and animals(
animal get the radioactive carbon when they feed on photosynthetic plant).
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