The French artist Pierre-Paul Prud'hon created chiaroscuro by using black and white chalk on paper
The aspect of of instruments that improved during the Romantic period was the valves. The correct answer is D, valves.
Answer:
Cel animation is the traditional, hand-drawn animation technique that involves drawing and painting objects on celluloid (cel), a transparent sheet. Nearly all the cartoons in the pre-1990 era were created using cel animation
