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How do scientists decide which isotope to use, when dating a rock?
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33 votes
How do scientists decide which isotope to use, when dating a rock?

User Jordan Jambazov
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2 Answers

18 votes
18 votes

Answer:

Through testing them on elements of different atomic number

Step-by-step explanation:

User Prosper
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10 votes
10 votes

Answer:

Carbon dating only works for objects that are younger than about 50,000 years, and most rocks of interest are older than that. ... Scientists can determine how long ago an organism died by measuring how much carbon-14 is left relative to the carbon-12.

Step-by-step explanation:

User Chris Ruffalo
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