Is a real-time internet communications service that notifies users when one or more people are online and then allows them to exchange messages or files or join a private chat room. select one: a. chattalk b. wikispace c. communispace d. im

Two technicians are discussing the common u-joint. technician a says its input and output speeds should be equal. technician b says that it normally has two yokes. which technician is correct?

When early motion pictures played in movie theaters, they were often accompanied by live organ or piano music. which of the following are the most likely reasons that this happened? (select all that apply). the music was provided to distract audience members from the loud sounds made when filmstrips were changed. the music accompanied the movies because the movies were silent and audiences were used to hearing music during plays in theaters. the music usually was played before, and sometimes after the movie, as an alternative form of entertainment. the music viewers to interpret the dramatic action in the films.

Where can page numbers appear? check all that apply. in the header inside tables in the footer at the bottom of columns at the top of columns