There are 29. That is because there's 14 people before him, and 14 people after, him, and that's 28 and +1 for him and that;s 29. People often make mistakes and say that there's 30 because they count 15 before and 15 after, but there's actually 14 before and 14 after.
Some of the characteristics of the six agrarian societies were:
<span>- Control of water through dams or canals </span>
<span>- Little protection from outsiders </span>
<span>- Advanced ideas or beliefs on death and burial </span>
<span>- No advanced farming techniques </span>
<span>- Evidence of metal tools and weapons </span>
<span>- Very little trade with the outside world </span>
<span>- Many buildings used for a variety of reasons</span>
