What happens between the boy and the saleswoman in the drugstore? What does the boy’s decision to barter suggest about him?

Explain the difference between do vs does like: do something do this does something do this

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.

Where did moon shadow’s father get the name windrider?