The mean sea- level pressure of the atmosphere decreases by half at the altitude of ? A) 6 Km. B) 8 Km. C) 10 Km. D) 12 Km.
1 Answer
Oct 8, 2017
A
Explanation:
The atmospheric pressure depends by the weight of the air over us. air has a density of about
1 atm is 101325 Pa