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What is the ratio of unstable isotopes to the total number of natural isotopes?

Fochaian

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What is the ratio of unstable isotopes to the total number of natural isotopes?

What is the ratio of unstable isotopes to the total number of natural isotopes?
A) 42 unstable to 120 natural isotopes
B) 38 unstable to 506 natural isotopes
C) 81 unstable to 92 natural isotopes
D) 70 unstable to 339 natural isotopes

Textbook

How Does Earth Work? Physical Geology and the Process of Science

How Does Earth Work? Physical Geology and the Process of Science

Edition: 2^nd

Authors: Smith, Pun

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Fochaian Author

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Makes total sense now, marking this solved

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