why are the middle ages Called the dark ages?a. St. augustine, the first bishop of Canterbury, converted the Saxons.b. the hundred years' war between England and France started.c. ppeople rejected the authority of the Catholic church.d. the bubonic plague killed half of England population.
This response of a receiver to sender's message is called Feedback. Sometimes a feedback could be a non-verbal smiles, sighs etc. Sometimes it is oral, as when you react to a colleague's ideas with questions or comments.