The answer is estudiamos.
Remember that the subject is nosotros (we) and we would have to match the subject and the verb by conjugating the verb. A nosotros conjugation is always 'amos' in an ar verb.
The answer for this question is AAAAAAAA
Answer:
تكبكعبكغبيمغؤمغؤمغمؤغؤمغمغؤغميغميمغيمغيمءغغمس
A) They grew potatoes, corn, beans, chilies, and squash