Answer:
is a non-profit corporation whose main purposes are; exploration, documentation, study, conservation and protection of caves, caverns, and sinks; and promote and stimulate the interest of caving as a science and as a sport.
Explanation:
Is Manuel the one talking? (I) If so, it would be o.
Is somebody asking Manuel which ending he would use? (You) if so, it would be as.
Answer:
Pedro es Mexicano
Olivia es Española
Mis amigos son argentinos
Sofia y Margarita son Chilenas
El es guatemalteco
Ella es cubana
Nosotros somos americanos
Ellos son Venezolanos
Ellas son Peruanas
Nosotras somos Puertorriqueñas
Yeah the answer is “ estas “
¿Usted al señor que trabaja en el taller de carros?
Answer : ¿Usted conoce al señor que trabaja en el taller de carros?
Hope this helps!