A. 1,035 mb
B. 35 mb
C. 350 mb
D. 965 mb
✅ The correct answer is option B.
If water vapour comprises 3.5 percent of an air parcel whose total pressure is 1,000 mb, the water vapour pressure would be 35 mb.
If water vapour comprises 3.5 percent of an air parcel whose total pressure is 1,000 mb, the water vapour pressure would be 35 mb.