On April 18, 1906 San Francisco experienced a terrible earthquake This
disaster, while devastating because
many people lost their lives, had some
positive scientific results. The significant
scientific effect of this earthquake was
the wealth of information leamed,
including: northern California's geology
advanced methods for earthquake
measurement, and improvements in
building construction Consequently
scientists went on to develop further
studies
4 What is the text structure of the
passage?
a Cause and effect
b. Compare & contrast
C. Chronological/sequential
d. Problem and solution