Which of the following gases was the least abundant in the earth's atmosphere 3.5 billion years ago? a) carbon dioxide b) nitrogen c) oxygen d) hydrogen e) water vapor

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Krishna Sarma asked Mar 27, 2023

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Which of the following gases was the least abundant in the earth's atmosphere 3.5 billion years ago? a) carbon dioxide b) nitrogen c) oxygen d) hydrogen e) water vapor

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Krishna Sarma asked Mar 27, 2023

by Krishna Sarma

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Answer:

oxygen

Step-by-step explanation:

Oxygen was the least abundant in the earth's atmosphere 3.5 billion years ago

Kashyap Kotak answered Apr 2, 2023

by Kashyap Kotak

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