Your friend Aria is complaining that programming seems to complicated. She Says, "Why do we need things like sequence, selection, iteration and variables? Its too much to bother with." Explain to Aria what control structures like sequence, selection, and iteration do and why are they needed. Then tell her why variables are important in programming. Every Answer is much appreciated!

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.