The picture above shows a which was first used between 3300 and 3100 bce in order to ensure that no unauthorized person could gain access to whatever was being sealed. a. stylus seal c. cylinder seal b. cuneiform seal d. sumerian seal

The cylinder seal is a small round cylinder,invented around 3500 BC in the Near East. It was a form of signature. And that is why it was used to ensure that no authorized person could gain access to whatever was being sealed.

Just pretend that your talking to a empty room

You do not see contemporary artist using chiaroscuro as much anymore, because it was used at a time when there were only candles and firelight for nighttime illumination. many of the paintings that used chiaroscuro did so to depict people who were around candlelight. this to illuminate their forms and create a dramatic effect. because we have modern electricity and light, the technique isn't seen as frequently in present day art.