What did you see first? L M A O O O

Which area of the mind works based on the reality principle? id ego superego conscience

An individual who is highly motivated to improve his or her economic and social standing would likely feel most frustrated in what kind of system? a. caste b bourgeoisie c.class d. patrilineal

Ineed asap! i need to finish a lab report but i don't understand this if starch +saliva treated with vinegar(acid ) what does indicate?