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TAKE THE QUIZRossi-Forel scale
noun
¦rȯ|sēfəˈrel-,
¦rä|
: an arbitrary numerical scale of intensity of seismic disturbances ranging from one for a barely perceptible tremor to 10 for an earthquake of the highest intensity
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Merriam-Webster unabridged
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- Namesake of the leotard, Jules Léotard had what profession?


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