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Which is the best summary for the section titled "Categories of Danger"?
Usage of languages varies widely across the globe, often concentrated in geographic
O "pockets." Zuni is spoken by approximately 9,000 individuals in New Mexico, whereas
Dakota is spoken by only 675 individuals in the Great Plains.
A "critically endangered" language has no native speakers, and "definitely endangered"
O languages are headed in this direction. One prime example of a "critically endangered"
language is Alaska's Eyak language, whose last living speaker died in 2008.
The United Nations groups languages by their levels of endangerment. A language may
O be classified as "vulnerable," "definitely endangered," "severely endangered," "critically
endangered," or "extinct."
Researchers cannot always determine how endangered a language is by studying the
O generation that still speaks it. However, the level of endangerment can be linked to the
regional concentrations where it is spoken.
