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Physics, 22.04.2021 02:50 bks53

Which statement accurately describes the use of radioactive decay? Technetium-99 is used as a radioactive tracer because it remains in the body for a long time.
Some types of cancer cells are killed by directing alpha rays at the tumor from outside the body.
Plants utilize radioisotopes in the same way they use nonradioisotopes because they are chemically identical.
Geologists and archaeologists use different dating processes to determine the age of rocks, fossils, and ancient artifacts.

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