Absolute Dating Answers

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Which property of argon makes it useful for potassium-argon dating?

A
It decays into potassium.
B
It is an unstable element.
C
It remains trapped in rock.
D
It is useful only for dating newer rock.
3

Which phrase describes one characteristic of radioactive elements?

A
are produced in a laboratory
B
decay at a constant rate
C
have a consistent number of particles
D
release energy and particles to maintain radioactivity

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