Ask your own question, for FREE!
Biology 17 Online
OpenStudy (anonymous):

which mixture of gasses is thought to have made up earths early atmosphere a. methane oxygen hydrogen water vapor c. hydrogen water vaapor ammonia methane carbon dioxide d. ozone water vapor carbon dioxide aammonia

OpenStudy (anonymous):

The early atmosphere was probably mostly carbon dioxide with little or no oxygen

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!
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!