C) Tc-99 is a radioactive isotope also known as radioisoptope.
<span>When a large number of atoms of the same isotope are observed they will have a statistically consistent half life.
</span>An unstable nucleus contains a near excessive number of RNA chemical can spontaneously break apart into one or more nuclei all with a lighter state. #believe
Answer: The Taiga Forest
Explanation: I just took the test on e2020
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