Two Air Columns Extend from Sea Level Up to an Altitude

Two air columns extend from sea level up to an altitude of 10 km. If one column is cold and the other is warm, the air pressure in the cold column will ____ the air pressure in the warm column.

A) decrease more rapidly with increasing height than
B) decrease less rapidly with increasing height than
C) increase more rapidly with increasing height than
D) increase at the same rate as