According to the smcr model, problems in communication can arise when there is
a. a large distance between the sender and the receiver.
b. a written message instead of a verbal one.
c. a difference in the attitudes of the sender and the receiver.
d. no use of body language by the sender.

According to the SMCR model, we will have problems in communication when there are huge differences in the attitudes between the sender and between the receiver - C.

This also explains why according to this model people who wouldn't come eye to eye, wouldn't really be able to talk about much because they have different attitudes.

The answer is congress

It is meant that like tapestry scientific theories often need to pull out since they are not relevant and often times the whole chain of theories may be pulled out.