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.

carbon 14 decays into nitrogen 14

once a living thing dies, it no longer takes in carbon

carbon 14 dating works for fossils as old as 50,000years

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Explanation:

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it also supports my hypothesis. if you rest first you can squeeze the clothespin more times. from the data i collected the average of the eight people concluded exercise makes your muscles more fatigued and less able to squeeze the clothespin compared to resting before squeezing.