No. It is part of the hydrosphere.
oxygen
nitrogen
ozone
Upper Part
Yes. Hydrogen is part - albeit a very small part - of the Earth's atmosphere. Typically it makes up about 0.000055% of the atmosphere
ozone
The ozone part of atmosphere. It is the most precious part.
1.2 kg/m3at sea level and at 20 C
the entire atmosphere...
I think it's the atmosphere
Hydrogen I believe
Thermosphere