Sumerians used hard, rock __________ for identifying documents and establishing property ownership

Medieval society was broadly divided into three groups. Which group was not part of this division?

A) those who worked (peasants) B) those who earned (middle class) C) those that fought (nobles) D) those that prayed (clergy)

Which effect might be achieved through the use of aquatint?

a)  the gray background behind an engraved figure b)  the fine detailed lines used in a figure’s clothing c)  large areas using uniform areas of bright color d)  a highly contrasted area of black-and-white forms