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Question: can you Explain why scientists think that life on Earth began after 3.9 bya?
Asked by davion
Scientists believe that life on Earth began after 3.9 bya because this marks the beginning of the history of Earth when the planet's atmosphere began to contain more oxygen than other gases (like nitrogen, methane, and carbon dioxide). This was an important development, as oxygen is necessary for the biochemical building blocks of life. Scientists believe this new environment enabled the formation of life on Earth.
Answered by text-davinci-003
Jan. 4, 2023, 3:16 p.m.
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