the communication that uses facial expressions hand gestures posture and even appearance all of which can convey something about the speaker
a.non-verbal
b.verbal
c.visual
d.written

this is an example of a written communication
a.speech
b.dialogue
c.radio
d.letter

telephone conversation is an example of
a.written
b.visual
c.verbal
d.non-verbal

what should be a good start in having a telephone conversation?
a.kindness
b.generosity
c.humility
d.courtesy

plssss answerrrr thissss pls :'‹​