![]() ![]() ![]() ![]() Explain how carbon-14 forms in the atmosphere and how it is used in dating recent events.Describe how radioisotopic dating is accomplished and list the four key isotopes used.Define an isotope, and explain alpha decay, beta decay, and electron capture as mechanisms of radioactive decay.Apply relative dating principles to a block diagram and interpret the sequence of geologic events.Describe the five principles of stratigraphy.Explain the difference between relative time and numeric time.
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