Question and answer
Ancient cyanobacteria released ______, which assisted in creating the atmosphere as we know it today. A. lead B. oxygen C. hydrogen D. ore
Ancient cyanobacteria released OXYGEN, which assisted in creating the atmosphere as we know it today.
|Score 1|jobel008|Points 32|
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Asked 2/22/2019 8:22:55 AM
Updated 2/22/2019 8:49:46 AM
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Edited by selymi [2/22/2019 8:49:41 AM], Confirmed by selymi [2/22/2019 8:49:45 AM]
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Added 11/11/2020 3:44:09 AM
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