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Which of the following gases was NOT part of Earth’s original atmosphere?

Which of the following gases was NOT part of Earth’s original atmosphere?
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Which of the following gases was NOT part of Earth’s original atmosphere?

User Wavey
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8 votes

Answer:oxygen hahah

Step-by-step explanation:

User Dnickless
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11 votes

Answer:anser choices

Step-by-step explanation:

User Ecreif
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