8. Which statement best describes the Richter scale?

A. It’s named after a scientist who studied tornadoes.
B. It’s a numerical rating system that measures the largest seismic waves during an earthquake.
C. It’s a test given to all geologists.
D. It’s a numerical system that measures the smallest seismic waves during an earthquake.

Answer :

D. It’s a numerical system that measures the smallest seismic waves during an earthquake.