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Home Q & A Board Humanities History Anthropology
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Doc.Blade Doc.Blade
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6 years ago
Absolute dating techniques such as radiocarbon and potassium-argon dating are based on the fact that __________.
 
  A. radioactive isotopes decay at a known rate
  B. certain isotopes become more radioactive over time
  C. the level of radioactivity is a constant
  D. carbon-14 is present in all geological sediments
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Goodman854Goodman854
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6 years ago
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Doc.Blade Author
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6 years ago
Brilliant ツ
smdavis
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Yesterday
this is exactly what I needed
noodlelicker
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2 hours ago
Helped a lot
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