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Which of the following gases were part of Earth's primitive atmosphere according to the self-assembly theory? Options are: 1) CH4, NH3, H2O, and H2S, 2) O2, CO2, N2, and H2O, 3) O3, CH4, NH3, and H2O, 4) CO2, N2, O2, and H2S. The correct answer is CH4, NH3, H2O, and H2S. As the Earth's atmosphere cooled, lighter elements reacted to form methane ...
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