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What gases were present in the ancient atmosphere?

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  • What gases were present in the ancient atmosphere?


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In the first 500 million years a dense atmosphere emerged from the vapor and gases that were ... of the ancient environment was the ... % of its present ...
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Positive: 98 %
What gases were present in the ancient atmosphere? ... a dense atmosphere emerged from the vapor and gases that were ... of the ancient environment ...
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Positive: 95 %

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Early History of the Earth: ... Living Atmosphere : 3.3 to Present : ... gases in the atmosphere beginning around the year ...
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Positive: 98 %
Using ancient gas bubbles ... Ancient Gas Bubbles Reveal Secrets Of ... The new findings could reveal the gases that were present in this ...
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Positive: 93 %
The rise of oxygen in Earth’s early ocean and atmosphere. ... amounts of oxygen were probably present, ... the ancient atmosphere is a famously ...
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Positive: 79 %
Article: Earth Without Oxygen. ... although always present in compounds in ... To learn more about how Earth scientists study the ancient atmosphere, ...
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Positive: 56 %

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