Exam (elaborations)
UWCSEA IB Biology 2025 - A2.1 Origins of Cells with Complete Solutions
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UWCSEA IB Biology 2025 - A2.1 Origins of Cells with Complete Solutions A2.1.1—What were the conditions on early Earth? What pre-biotic (pre-life) carbon compounds were present? there was a lack of free oxygen; and therefore no ozone to protect from UV radiation; so high levels of UV penetr...
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