This comprises the following layers:
troposphere
stratosphere
mesosphere
thermosphere
exosphere
The boundaries between them are:
Tropopause
Stratopause
mesopause
thermopause
The composition of the atmosphere is about 78% nitrogen, 21% oxygen, with small amounts of other gases, for example: argon, water vapor, and carbon dioxide.
Planet Earth - about 80%.
No. No. The only planet n contact with Earth's atmosphere is Earth itself.
Earth is the only known planet with an oxygenated atmosphere.
The earth is the largest planet in our atmosphere. Jupiter is the largest planet in out solar system.
No. There is not another planet inside Earth.
We are adapted to breathing and living in Earth's atmosphere. A planet would need to have an atmosphere similar to that of Earth for people to find it livable.
Earth
earth
Yes. There is one planet with oxygen in its atmosphere: our home planet Earth.
It is none other than our own planet Earth, which has nitrogen and oxygen in its atmosphere.
No. Mercury essentially has no atmosphere. Earth is the only planet with an atmosphere that humans can breathe.
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.