A record is . A. one of the categories in a database such as last name B. the primary field used to uniquely identify records C. a group of files D. one set of data or complete entry in a database

What characteristic of long period comets suggest they come directly from the oort cloud?

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.

Match the items with their respective descriptions.