His mother is the doctor. hope this helped even though I know it didn't.... :)
<span>The correct answer is A. the results of a scientific study would be the most effective evidence. Thoughts and opinions are not valid for scientific studies because they are based on emotions and personal values. Ethics also have a problematic effect on science because values and morals are often different from society to society.</span>
When communication occurs, it typically happens in one of three ways: verbal, nonverbal and visual. People very often take communication for granted. Communicators constantly exchange information, meaning people always seem to be either receiving or giving information.