Earth
Earth.
The closest match to this is Earth with about 21%. No other known planet has more than a trace of free oxygen.
Earth
The atmosphere of the Earth is almost 20% oxygen.it has big dicks and it is very big it has thousands of dicks
Earth is the only known planet with an oxygenated atmosphere.
Earth.
The closest match to this is Earth with about 21%. No other known planet has more than a trace of free oxygen.
Neptune (NovaNet) There's something wrong here. Neptune is mainly a hydrogen atmosphere. Earth is the planet with a mainly nitrogen atmosphere, but the coldest is Neptune.
The Earth
Earth
Earth... my favorite
Oxygen
About 80% Nitrogen and 20% Oxygen.
oxygen
the percentage of oxygen in the atmosphere today is about 20.95%. Or... if you round it you get the most common answer of 21%.
Earth's atmosphere is 20 percent oxygen and 80 percent nitrogen. In space, there is no oxygen due to the lack of gravity to help it form.
Oxygen is still 20 percent of the earth's atmosphere.