IB Biology: A2.1-Conditions on Prebiotic Earth

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What were the surface temperatures on early Earth?

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What covered the surface of early Earth?

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What gases were released during volcanic eruptions on early Earth?

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What formed the majority of Earth's early atmosphere?

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Why were there only traces of oxygen in early Earth's atmosphere?

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What was the state of Earth's inner core on early Earth?

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How did the liquid core affect Earth's magnetic field?

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Why was there no ozone layer on early Earth?

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What was the effect of the lack of an ozone layer on early Earth?

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What role did lightning play on early Earth?

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