HSC Earth And Environmental Science Practice Questions - HSC Earth And Environmental Science (NSW Higher School Certificate, Year 12) Exam

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Carbon-14 decays into Nitrogen-14 with a half-life of approximately 5,730 years. If a fossilized bone contains 25% of its original Carbon-14, how old is the sample?

2,865 years 5,730 years 11,460 years 17,190 years

Correct Answer:

11,460 years

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