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​Evidence Supporting the Lack of Oxygen on Early Earth Includes

Question 68

Multiple Choice

​Evidence supporting the lack of oxygen on early Earth includes _____.


A) ​the presence of early photosynthesizers
B) ​the immediate breakdown of organic molecules
C) ​the lack of iron oxidation on ancient rocks
D) ​the presence of iron oxidation on ancient rocks
E) ​the accumulation of ozone

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