Many ancient civilizations believed that dreams were

Dreams, according to psychologists and psychoanalysts, images and visions that emerge from the subconscious and experienced during sleep. Dreams in ancient cultures played an important role because they were considered messages from the spiritual world. In such civilizations, substances as possible announcements of events that will happen, have a significant effect on the shaping of behavior and cultural patterns. For this purpose, dream interpreters, as well as prophets, were tasked with, so that messages from the spiritual world could be revealed with certainty.

i believe

clean air is essential for health and survival

clean air provides nitrogen gas for plant respiration

clean air supplies oxygen that enables living organisms to breathe

hope this

i am brianly

sorry if this doesn't

this is not a question