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Analyses of Sulfur Isotopes Have Been Used as Evidence Against

Question 39

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Analyses of sulfur isotopes have been used as evidence against life on the Moon,because the sulfides in lunar rocks have


A) an isotope composition similar to marine sulfate, which is enriched in ³⁴S.
B) an isotope composition similar to marine mud, which is depleted in ³⁴S.
C) an isotope composition similar to igneous rocks.
D) exactly equal amounts of ³⁴S and ³²S.

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