Number 2 indicates South America. The other continents are:
1. North America
3. Africa
4. Europe
5. Asia
6. Australia/Oceania
7. Antartica
Answer:
Sumerian cuneiform is the earliest known writing system. Its origins can be traced back to about 8,000 BC and it developed from the pictographs and other symbols used to represent trade goods and livestock on clay tablets. Originally the Sumerians made small tokens out of clay to represent the items.
