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    Biology Exploring Study Set 1
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    Exam 21: Defining Life and Its Origins
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    Important Molecules That Were Present in the Reducing Atmosphere of Primordial
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Important Molecules That Were Present in the Reducing Atmosphere of Primordial

Question 21

Question 21

True/False

Important molecules that were present in the reducing atmosphere of primordial Earth were oxygen (O2), hydrogen (H2), and methane (CH3).

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