The lowest zone of atmosphere containing about seventy five percent of total mass of atmosphere and ninety percent of its water vapour is called...? Mcqs

The lowest zone of atmosphere containing about seventy five percent of total mass of atmosphere and ninety percent of its water vapour is called...?

(A) Troposphere

(B) Lonosphere

(C) Aerosphere

(D) Stratosphere

Source: This question is taken from the PROVINCIAL MANAGEMENT SERVICE, ETC. BS-17(2016)