搜索结果: 1-1 共查到“生物学 ancient ocean chemistry”相关记录1条 . 查询时间(0.322 秒)
Researchers discover new wrinkle in ancient ocean chemistry（图）
new wrinkle ancient ocean chemistry
2009/12/23
Scientists widely accept that around 2.4 billion years ago, the Earth's atmosphere underwent a dramatic change when oxygen levels rose sharply. Called the "Great Oxidation Event" (GOE), the oxygen sp...