Which class of mesopotamian society developed art and learning? lower class middle class upper class

The answer i think is d

Maybe a horizontal because its a pattern

Its led to migrationits led to death 

Your answer is d. silli hope this ! : ) i left an explanation down below if you need it: a sill forms when hot magma squeezes between layers of rock to form a hardened sheet of rock. a sill is basically a tabular sheet intrusion between old layers of sedimentary rock, volcanic beds, or in the direction of foliation inherent in metamorphic rock. the word sill means a concordant intrusive sheet.