1.

The passage mainly deals with

A. the phenomenon behind the occurrence of earthquakes and their measurement.
B. the contribution of Charles Richter in developing a scale for measuring earthquakes.
C. how the seismologists can accurately predict earthquakes based on precise data.
D. the history of earthquakes and the devastation caused by them.
Answer» B. the contribution of Charles Richter in developing a scale for measuring earthquakes.


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