The color of the sky is blue
Answer:
bob is a criminal with head square-jawed face,keen eyes and a little white scar near his right eyebrows whereas jimmy is a crop
Factors that could hamper effective communication would be staying in the past, talking only about one aspect of the situation, not being prepared to think about a situation in a new light, not considering all the possibilities which might help in a current situation, and many others. These were just five ones which are highly harmful when one wants to be effective in communication.
