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Title: How can a half-life be used to tell the age of a sample? Post by: einsteindude on Nov 29, 2014 How can a half-life be used to tell the age of a sample?
A) The half-life of an isotope is constant. B) The amount of radioactive form depends on the amount of radiation in the surroundings. C) The ratio between the radioactive form and the stable form depends on the archaeological record. D) The ratio between the radioactive form and stable form varies regularly with time. E) both C and D Title: Re: How can a half-life be used to tell the age of a sample? Post by: bSharp on Dec 4, 2014 Content hidden
Title: Re: How can a half-life be used to tell the age of a sample? Post by: bSharp on Dec 4, 2014 Super! Don't forget to mark my post as best answer ;D
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