Answer:
Old movies (pre-1950) were made using optical sound recording, which had very little dynamic range.
Answer:
Multimedia artists and animators who show strong teamwork and time-management skills can advance to supervisory positions, where they are responsible for one aspect of a visual effects team. Some artists might advance to leadership or directorial positions, such as an art director or a producer or director.
Explanation:
I am pretty sure the answer is the second one.
