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    Exam 32: Evolution and Our Heritage
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    Which of the Following Is Most Likely to Be the Source
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Which of the Following Is Most Likely to Be the Source

Question 43

Question 43

Multiple Choice

Which of the following is most likely to be the source of most of the oxygen in the atmosphere?


A) weathering of rocks
B) UV radiation
C) photosynthesis
D) macroevolution

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