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    Campbell Essential Biology Study Set 3
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    Exam 15: The Evolution of Microbial Life
  5. Question
    The Absence of ________ in the Primitive Atmosphere Was Essential
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The Absence of ________ in the Primitive Atmosphere Was Essential

Question 39

Question 39

Multiple Choice

The absence of ________ in the primitive atmosphere was essential to the origin of life on Earth.


A) N2
B) CO2
C) CH4
D) O2

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