The people of the Nile Delta were among the world's first to hunt
plant crops and domesticate animals
make a calendar
use stones for weapons

The Nile Delta's features translated into many invaluable uses as a source of hunting, fishing and fertile land for crops. The clay deposited by the Nile over the centuries was used as a raw material for pottery. Most of the major Egyptian cities existed in close proximity to one of the major distributaries of the Delta, including Alexandria and Hermopolis. Cities in the Delta served as ports for river traffic from Upper Egypt as well as markets for traders entering ancient Egypt from the Mediterranean.

Explanation:

a

"the land of the dead"

interdependence is when all participating groups and individuals depend on each other. if you depend on one anothers goods, you end up trading in order to get the items you're looking for. (for ex: if i have food and you have water, we trade in order to depend on each other to live)