What have you learned about radioactive dating? Check all that apply.Unstable atoms release particles.The radioactive decay of an element occurs at a constant rate.A half-life is half of the lifetime of a radioactive element.At one half-life, half of the original unstable element has decayed.All elements are radioactive.
Use the drop-down menus and what you have learned about potassium-argon dating to complete the sentences.
the kind of potassium✔ parent and daughter elementsthe size of the atoms
sedimentary ✔ igneousmetamorphic
✔ ancientharderoded
Which statements about carbon-14 dating are true? Check all that apply.Carbon-14 decays into nitrogen-14.Carbon-14 has a longer half-life than potassium-40.Once a living thing dies, it no longer takes in carbon.Carbon-14 dating is used to date very old volcanic rock.Carbon-14 dating works for fossils as old as 50,000 years.
Use the drop-down menus and what you have learned about potassium-argon dating to complete the sentences.
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