What is a communication barrier? a. anything that gets in the way of effective communication b. steps you take to avoid negative communication c. a way to communicate only with those you like and get along with d. a system that will keep you from becoming knowledgeable about communication

Two students are discussing electricity that has a frequency of 60 hz. student a says that this type of electricity is referred to as ac. student b says that in this type of electricity, the electrons flow in only one direction. which of the following statements is correct? a. only student a is correct b. only student b is correct c. both of the two students are correct d. neither of the two students is correct