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"if our scientists possibly find other forms of life in other planets,what we are probable to find-bacteria,virus or simply dna and protein molecules? "
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More on the Rise of Earth's Oxygen Levels
A new paper in Earth and Planetary Science Letters from NAI’s Carnegie Institution of Washington Lead Team and NAI’s International Partner, the Australian Centre for Astrobiology, explores environmental changes during the rise of atmospheric oxygen and the relationship between tectonics, atmospheric oxygen, and climatic changes.
Source: [Link]
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