Agriculture
The Sumerian farming invention you are referring to is the "irrigation system." This innovation allowed for the controlled distribution of water to crops, significantly improving agricultural productivity in the region. The development of irrigation systems was crucial for sustaining large populations and supporting the growth of Sumerian civilization.
Sumerian
wheeled vehicles
Sumerian used a system of about 1000 symbols to represent syllables and ideas. They did not have symbols for individual letters. See related links for a look at the Sumerian writing system.
the activity is rodeo
There is none..... I mean not one with all the letters that we have. Sorry but keep looking!
To pass on information and to write letters to people from far away.
The Sumerian writing system did not have an alphabet like modern languages; instead, it used a cuneiform script composed of logograms and syllabic signs. This system included hundreds of characters, with over 1,000 signs in total, though commonly used signs were fewer, typically around 300. Therefore, it is not accurate to quantify Sumerian writing with a specific number of letters as in an alphabet.
Bouncing
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The sumerian system was based on 60; ours is based on 10