None of these answers are even close. It said roughly 3 centuries. Sorry, can’t help!
The type of channel that speaker one and speaker two use in their communication would be auditory - b.
The fact that we're talking about "speaker" 1 and "speaker" 2 implies already the fact that both of them are talking and this then implies that they are using the auditory channel of communication.
Are you asking what influence have Greek had on Rome?
They needed people to work the factories with the men are gone to war.
Answer:
how many boys to girls there are. in china there is a drastic difference between the two which can/will cause future population shrinkage issues