All of the following were achievements of the sumerian culture except a. the 365-day calendar. c. the arch. b. cuneiform writing. d. the great pyramid.

The calendar was achieved both by the ancient American Maya and I believe the Greeks... not 100 percent on that. But i am 100 percent sure that the arch was Greek and the Great Pyramid was Egyptian. That means that Cuneiform writing was an achievement by the ancient Sumerians, which I know to be a fact.

Every statement this is because of the same law