As life began to populate earth’s surface, what change was seen in the atmosphere - 34484

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As life began to populate earth’s surface, what change was seen in the atmosphere?
              more oxygen was added
           more carbon dioxide was added
           more oxygen was consumed
           more carbon dioxide was consumed

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As life began to populate earth’s surface, what change was seen in the atmosphere?
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As life began to populate earth’s surface, what change was seen in the atmosphere - 34484

yousafbhutta

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