Hydrogen is present throughout the exosphere, with some helium, carbon dioxide, and atomic oxygen near its base.
Explanation:
Closer to the exobase, the exosphere layer is mostly made up of extremely low-density hydrogen, helium, and a few heavier molecules like nitrogen, oxygen, and carbon dioxide.
Kirti
Hydrogen is present throughout the exosphere, with some helium, carbon dioxide, and atomic oxygen near its base.
Explanation:
Closer to the exobase, the exosphere layer is mostly made up of extremely low-density hydrogen, helium, and a few heavier molecules like nitrogen, oxygen, and carbon dioxide.