Which statements describe the Mercalli scale?

a. This scale measures seismic waves based on their size.

b. This scale rates an earthquake according to how much damage it causes.

c. This scale produces a single rating for earthquakes that reach the surface.

d. This scale uses Roman numerals to rank the damage caused by an earthquake.

e. This scale measures the magnitude of an earthquake based on the size of seismic waves.

The correct options are b. This scale rates an earth quake according to how much damage it causes. and d. This scale uses roman numerals to rank the damage caused by an earth quake.

Explanation:

According to the definition of the Mercalli scale " it is a scale used for the measurement of the intensity of the earthquakes" and was first invented in 1884 by the Italian volcanologist Giuseppe Mercalli. This scale ranges from I to XII.

b d

Explanation:

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