Regarding hydrostatic equilibrium and movements toward hydrostatic equilibrium, it is true that:

A) upward vertical movements are likely to occur more rapidly than downward movements.
B) air density has no effect on the up or down motion of air masses.
C) a sparse atmosphere feels a stronger gravitational pull than does a dense atmosphere.
D) the vertical pressure gradient force is no match for the force of gravity.


Answer: A

Environmental & Atmospheric Sciences

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