Mezzotint’s tone is created using a special tool, like with drypoint. As the tool moves along the metal surface, it roughs the surface and creates different levels of grooves. When ink is applied to the surface, the varying levels of grooves provide the illusion of various tones and half-tones, while still using the same color of ink. This method is one of the best representation of monochromatic art.
The answer you are looking for is B. Repetition. The circle design showed up on all four corners exactly the same, so it is repeating.
<span>A voice that is both easy to hear and pleasing to listen to immediately grabs your attention. Think about it: how many times have you found yourself tuning out a speaker with a nasal or whiny voice, or one that’s too loud and aggressive, because it’s torture on your ears? On the other hand, a strong, confident voice is hard to ignore.</span>
The piece of art in the attached image is called a "stained-glass window." They are often found in cathedrals and churches.