Who was the youngest person to ever win a Nobel Peace Prize?

Juan: ? hola, valeria! feliz cumplea? os. valeria: muchas gracias, juan. juan: valeria: tengo 16 a? os. a. ? qué a? os tenemos? b. ? cuántos a? os tengo? c. ? cuántos a? os tienes? d. ? cuántos a? os tienen?

Choose the answer that best relates to the class or field of study listed below la quimica a. la informatica b. la educacion fisica c. las ciencias sociales d. las ciencias

Which of the following is the first-person singular (yo) form of the verb "to think" in present tense? a. pienso b. penso c. piensa d. pensamos