Which of the following gases was most likely present in earths earliest atmosphere

asked May 20, 2020 180k views

1 vote

by Nybon

5.0k points

Please log in or register to add a comment.

7 votes

Oxygen, because water must have been present when Earth first formed.

AmdY answered May 23, 2020

by AmdY

4.6k points

5 votes

the correct answer is hydrogen

Owen Cao answered May 24, 2020

4.9k points

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

5.2m questions

6.7m answers