Suppose a column of air has constant air temperature. What would happen if we force more air into the column?
A) The air would become less dense, and the surface air pressure would increase.
B) The air would become more dense, and the surface air pressure would decrease.
C) The air would become less dense, and the surface air pressure would decrease.
D) The air would become more dense, and the surface air pressure would increase.
Question 2
The surface pressures at the bases of warm and cold columns of air are equal. Air pressure in the warm column of air will ____ with increasing height ____ than in the cold column.
A) decrease; more rapidly
B) decrease; more slowly
C) increase; more rapidly
D) increase; more slowly
Temperature cycles for 24 hours
Attributed to Apollodorus, Column of Trajan, Rome (detail).
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