Science Social Studies
SZA com comex, or compound-complex? COW
which type of sentence is this?
We can watch the presidential debate, which will be broadcast at nine o'clock, or we can
view the documentary about the greatest innovations of the twenty-first century.
simple
compound
complex
compound-complex

The greatest gift the sumerians gave the world was the invention of writing. the sumerians were wealthy people. they needed some way to keep track of what they owned. they began drawing pictures. they used a reed as a pen. they drew on soft pieces of clay. the soft clay was then dried in the sun. the tablet became a permanent record. later, the sumerian drawings changed into wedge-shaped symbols. this kind of writing is called cuneiform. by putting symbols together, the sumerians could write entire sentences.