8. Why are these following sentences using the verb "ser?"

(3 points)
¿De dónde eres?
La chica es alta.
¿Qué dia es?
:: date :: Characteristic :: Origin
9. Why are these sentences using the verb "ser?"
(3 points)
Ella es mi madre.
Yo soy una
profesora.
Son las tres.
:: time :: relationship :: Occupation/Job

The sentences are using the verb "ser" because they are expressing characteristics, origin, time, relationship, and occupation/job.