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The report in Proceedings of the National Academy of Sciences says the moss mantle began to proliferate about 470 million years ago, providing our planet with the first stable source of oxygen and enabling intelligent life.
Nghĩa của câu:The report in Proceedings of the National Academy of Sciences says the moss mantle began to proliferate about 470 million years ago, providing our planet with the first stable source of oxygen and enabling intelligent life.
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