The answer is <span>a. (1) talkies; (2) many film stars could no longer act because their voices were not well-suited for film.
After silent films, films with sounds were developed and were named "talkies". The first talkie film was The Jazz Singer. This was the beginning of talking dialogues in films, which is why silent film actors with strange voices were no longer cast.</span>
From my experience primary colors are key and look great when used all together. the colors are, red, blue, and yellow.
The general structure of a string quartet is:
Violin I
Violin II
Viola
Cello
The Violin I plays the Soprano parts, the Violin II plays the Alto parts, the Viola plays the Tenor parts, and the Cello plays the Bass parts. The two most important parts of a string quartet are the Violin I and Cello. The Violin I and the Cello the melody plays the counterpoint, while the Violin II and Viola parts are filler parts that are there to make the piece sound nicer.