Será ud its the short form of será usted you can use it for a question like
Será usted el azafato del vuelo?
Are you the flight assistant?
I’m Spanish, if you need help, ask me whenever you want, and please, if I was useful please let Brainly know!
Donde comiste tu?
That’s the answer
Answer:
Biologia
Explanation:
means biology in English which is a science class (ciencias)