EARLY ATMOSPHERE have humidity
The atmosphere contain different kind of gases and one these gases is oxygen.So your answer is yes.
Atmosphere does contain many layers. A layer that helps in stratosphere is ozone.
Earth's atmosphere?Yes.0.0000055 %
The standard atmosphere contain 0,934 % argon.
What happened to all the water vapour in the early atmosphere
pollution
Oxygen. Earth's early(first) atmosphere is believed to contain hydrogen cyanide, carbon dioxide, carbon monoxide, nitrogen, hydrogen sulfide, and water. but still it only had little to no oxygen.
What evidence shows that the Precambrian atmosphere did not contain oxygen?
Yes. Earth's atmosphere is about 78% nitrogen.
The earth's atmosphere.
solid and liquid
Most planet's atmosphere's contain poisonous gases, and non in our solar system contain oxygen.