The phrase, who has the ball is a adjective, adverb or noun

Me further explain how does social media influence teenagers behavior? in a couple of

The greatest gift the sumerians gave the world was the invention of writing. the sumerians were a 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.

Which one of these lines use him to permitte which one of these lines uses iambic pentameter?