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Home Q & A Board Science-Related Homework Help Geography and Earth Sciences
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luciaf99 luciaf99
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6 years ago

Researchers are able to directly measure the rate of productivity in experiments using a radioactively tagged atom.
  Which isotope is commonly used?
  a. carbon-12
  b. carbon-13
  c. carbon-14
  d. nitrogen-14
  e. nitrogen-15
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dalenambawandalenambawan
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6 years ago
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luciaf99 Author
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6 years ago
You make an excellent tutor!
erimis
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this is exactly what I needed
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This site is awesome
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