Here are the answers to your questions:
Question 1: A) Mesopotamia is an ancient region of southwest Asia between the Tigris and Euphrates rivers.
Question 2: A) The Sumerians invented the wheel.
Question 3: A) The Sumerian writing system is called cuneiform.
Question 4: A) The Amorites were a Semitic group that moved into the Fertile Crescent after 2000 B.C.
Question 5: A) The Babylonians were the founders of algebra and astronomy.
Question 6: A) Sumerians were the first people to use the ziggurat shape for religious structures. (Note: If you're looking for a specific term to complete this sentence correctly, we often associate ziggurats with a "step pyramid" shape, hence if that's an option you want to include, let me know).
Question 7: A) A ziggurat is what kind of pyramid? a step pyramid.
Question 8: A) Clay was the most common building element of ziggurats.
Question 9: A) Much Sumerian art was created as religious pieces.
Question 10: A) Gudea of Lagash was a renowned Sumerian ruler.
Let me know if you need further information!