1.

In case of earthquakes, an increase of magnitude 1 on Richter Scale implies

A. a ten-fold increase in the amplitude of seismic waves.
B. a ten-fold increase in the energy of the seismic waves.
C. two-fold increase in the amplitude of seismic waves.
D. two-fold increase in the energy of seismic waves.
Answer» B. a ten-fold increase in the energy of the seismic waves.


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