Which of the following gases was most likely present in earth’s earliest atmosphere

Which of the next gases was most certainly current in earth’s earliest environment

Reply 1

Hydrogen is the appropriate reply

Reply 2

Oxygen, as a result of water will need to have been current when Earth first shaped.

Reply 3

the proper reply is hydrogen

Reply 4

D.oxygen i’m virtually sure that is the proper reply.

Reply 5

Hydrogen was one of many gases that had been most certainly current within the Earth’s earliest environment. With the hydrogen, there was additionally methane, water vapor, and ammonia. Carbon Dioxide was additionally current and there was hardly any oxygen, if in any respect, current within the early environment.

Reply 6

I am fairly certain it is Nitrogen.

Reply 8

B. Hydrogen

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