The best answer here would be pencil.
Artists use pencil to make sketches and create studies. They then use these sketches and studies to create their final larger piece. They use pencil because it's quick, can be corrected, lightweight and easy to use. Before pencils artists would make charcoal drawings but once we had pencils it made sense to use them as they aren't messy like charcoal.
Rotoscoping is an animation technique that animators use to trace over motion picture footage, frame by frame, to produce realistic action. ... This device was eventually replaced by computers, but the process is still called rotoscoping.
Answer: War is a terrible thing. Yet the cadence of troops marching through the streets, the ringing sound of national airs, the flapping of proudly hoisted flags, and, in more modern times, the swoosh of aircraft racing overhead typically send hearts pounding and aspirations soaring. Inevitably, it is in the period following the cessation of hostilities, in times of so-called peace, that the initially envisioned mission becomes increasingly difficult to identify. An awareness of the cohorts of war surfaces even more gradually, and only in recent decades has the study of the Great War of 1914–1918 moved beyond politics.
D. Preformance art focuses on both sight and sound
The answer to this question would be “A” because its 1/4 of a whole rest