Ptt 大爆卦 | air composition中文 - 前往 https://www.nytimes.com/2000/08/04/us/technique-uses-rocks-to-study-earth-s-early-atmosphere.html

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Technique Uses Rocks to Study Earth's Early Atmosphere

Scientists have developed a new technique to analyze the chemical composition of ancient rocks for hints about what the air was like ...

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