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The Ratio of Carbon-13 to Carbon-12 in a Sample of Material

Question 64

Multiple Choice

The ratio of carbon-13 to carbon-12 in a sample of material from a CAM plant is 124:10,000. The same ratio for the reference standard is 125:10,000. Delta (δ) is thus _______ per thousand.


A) ‒124
B) ‒8
C) ‒1
D) 1

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