Which is not an achievement of the Sumerians? Group of answer choices

Creating and recording songs, poems, stories, and history onto clay tablets.

12 month calendar

The Wheel

A clock that uses the sun and stars to tell time.

Helmholtz has gotten into trouble while Bernard entertained. He wrote a poem about being alone, and he had foolishly decided to read it to his students during a lecture. They complained to higher authorities, who told Helmholtz that if anything else happened, he would no longer have his position.

Please ask your questions separately.  

Source(s): http://www.gradesaver.com/brave-new-world/study-guide/summary-chapters-10-12