Multiple Choice
Which statement about radioisotopes is FALSE?
A) Potassium-40 has an extremely long half-life.
B) Carbon-14 is typically used to date sedimentary rock.
C) The ratio of carbon-14 to carbon-12 is used in dating fossils.
D) The half-life of a radioisotope does not vary with temperature or pressure.
E) The nucleus of a radioisotope can change into that of a different element during decay.
Correct Answer:

Verified
Correct Answer:
Verified
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