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Author Question: Wood from an ancient stump has a ratio of carbon-14 to carbon-12 that is one-eighth that of new ... (Read 111 times)

saliriagwu

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on: Jul 28, 2018
Wood from an ancient stump has a ratio of carbon-14 to carbon-12 that is one-eighth that of new wood. About how old is the stump? (Carbon-14's half-life is 5730 years.)

Question 2

Sedimentary layer A lies above sedimentary layer B. Fault C cuts through B but does not affect A. Arrange A, B, and C in order of oldest first to youngest last.


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billybob123

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Reply #1 on: Jul 28, 2018
Answer to Question 1

17,190 years

Answer to Question 2

B, C, A


saliriagwu

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Reply 2 on: Jul 28, 2018
Gracias!

duy1981999

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Reply 3 on: Yesterday
Wow, this really help

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