How fast does this outer layer move usually?

On average, at about the rate that fingernails grow, approximately 3-4 cm per year. This is variable, however, often even across an individual plate, from between 1-2 cm per year for the slowest moving plates to around 10 cm per year for the fastest.

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to keep us neatruel and not get involved in any wars

he assumed control of treaty negotiations with a hostile power