Answer:
I'm not sure if you need to fill in the blank, but if you do it's contrast. To create emphasis using contrast, an artist might use different shades of gray in a black and white drawing.
<span>B is the correct answer. Mosaics are made from small shapes, mostly squares, called tesserae, which are made from coloured stones, pebbles or glass. Smaller shapes mean more detail can be added. Mosaics started in Mesopotamia and became very popular during the Byzantine empire.</span>
<span> <em /> <em />I<em> </em>belive </span>
caricatures of his teachers
