A kitten will be considered a cat when it's nine months old. I once read that a cat was adolescent from about 10 to about 18 months of age... I guess that means s/he's an adult past 18 months of age.
Ethnically, Mexican Americans are a diverse population including Mexicans of Indigenous ancestry, Mexicans of European ancestry (mostly Spanish), and Mexicans of Middle Eastern stock (mainly Lebanese).
Mexico is a nation with a huge linguistic diversity. <b>Spanish</b> is the <i>de-facto</i> language (meaning Mexico does not have any official language) spoken by 92.7% of the Mexican population.