One of the Underlying Problems That Led to the Discovery

Multiple Choice

One of the underlying problems that led to the discovery of atmospheric pressure was:

A) Why barometers work better on mountain tops than they do in valleys.
B) Why vacuum pumps were more effective than siphons.
C) Why it is harder to open a wine barrel in the winter than in the summer.
D) Why siphons would not work beyond certain height limitations.
E) Why fermentation occurs more rapidly in sealed containers than in open containers.