Ask your own question, for FREE!
Biology 12 Online
OpenStudy (anonymous):

oxygen gas (o2) in earth's early atmosphere

OpenStudy (destinymasha):

whats your question?

OpenStudy (anonymous):

Do you mean was there oxygen in the earth early atmosphere? It mostly consisted of methane, ammonia, hydrogen, and water vapor. It slowly changed to consist of nitrogen gases as well as carbon dioxide but no oxygen until the atmosphere we know now formed 2 billion years ago.

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Latest Questions
VERNEISH: Two objects are moving along separate linear paths where each path is described by position, d, and time, t.
3 hours ago 0 Replies 0 Medals
Arriyanalol: i need help
21 hours ago 7 Replies 1 Medal
Arriyanalol: CONGRATS to me
1 day ago 8 Replies 2 Medals
Maci: what are the best stock apps for people who want to start investing?
3 days ago 3 Replies 2 Medals
Twaylor: genuienly how do i get better self control i keep watcing youtube and theres this
6 days ago 3 Replies 0 Medals
IzzyCookie: |dw:1792074056138:dw| Uhm, I don't know where to ask this, but I'm in college welding at my community college, and I need help learning vertical welding for
1 day ago 9 Replies 1 Medal
Legomaster346: What colleges are good that are near Arab Alabama?
1 week ago 5 Replies 0 Medals
Maci: what is your thoughts on qc reaching 10years lmk who the ogs
1 week ago 9 Replies 1 Medal
thehearken: not sure if this is considered spam, im sorry if it is, but does anyone have tips
1 week ago 2 Replies 1 Medal
Arriyanalol: i need help
1 week ago 6 Replies 2 Medals
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!