A.It contains 80-90% the atmosphere’s mass.
B.It contains nearly all the water and oxygen of the atmosphere.
C.It is a zone which exhibits changes in condition of weather.
D.It is about 350 Kms thick
A.It contains 80-90% the atmosphere’s mass.
B.It contains nearly all the water and oxygen of the atmosphere.
C.It is a zone which exhibits changes in condition of weather.
D.It is about 350 Kms thick