The sumerians measured their wealth using what as a measurement? a. land c. prestige b. slaves d. money

a.  land

Explanation:

Sumer is a historical region of the Middle East, southern part of ancient Mesopotamia, between the alluvial plains of the Euphrates and Tigris rivers. The Sumerian civilization is considered the first civilization in the world. Although the origin of its inhabitants, the Sumerians, is uncertain, there are numerous hypotheses about their origins, the most accepted currently arguing that there would have been no cultural break with the Uruk period, which would rule out external factors, such as invasions or migrations from other distant territories.

the consumer demand because the members have to be aware if people are going to buy what they want to sell in this case either energy drinks or a car wash.