Can someone help its ser vs estar

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

Read the question and the sentences, and choose the option with the correct sentence. which of the following has the pronoun correctly used? yo quieres el ceviche. yo quiere el ceviche. yo quiero el ceviche. yo quieren el ceviche.