(A) It contains 85-90% of the atmosphere mass
(B) It contains nearly all the water and oxygen of the atmosphere
(C) It is the zone which exhibits changes in condition of weather
(D) It is about 350 km thick
(A) It contains 85-90% of the atmosphere mass
(B) It contains nearly all the water and oxygen of the atmosphere
(C) It is the zone which exhibits changes in condition of weather
(D) It is about 350 km thick
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