About what percentage of the molecules that make up the atmosphere are below an aircraft that flies at an altitude of 6 kilometers?
A)20%
B)30%
C)40%
D)50%
E)more than 50%

Question

Quizplus · Accepted Answer

At an altitude of 6 kilometers, more than 50% of the atmosphere's molecules are below the aircraft, as the majority of the atmosphere's mass is concentrated in the lower layers.

About What Percentage of the Molecules That Make Up the Atmosphere