What is the central idea of the article “The Great 1906 San Francisco Earthquake”? Select two.
A. The earthquake only affected a small geographic area.
B. Original estimates of the damage from the quake were low
C. Studies of the earthquake provided important scientific data.
D. The greatest damage from the earthquake was caused by fire.
E. The epicenter of the earthquake was in the San Francisco area.
F. A study of the earth’s crust would have prevented the earthquake.
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