Verbal: communication with words, which may be done orally through speech or physically through sign language
Nonverbal: communication that does not involve words
Interpersonal: any type of communication, verbal or nonverbal, between two or more people
Group: communication between groups of people or within a group of people
Revealed. Dig up. I prefer Reveal though..
Answer:
It creates uncertainty because the audience cannot be sure if the ghost is actually present, or if Macbeth has simply gone mad.
Explanation:
this is the summary of the peom sea fever