Answer:
A highly developed society-Civiliztion
An area of land that is shaped like a crescent moon that extends from the Persian Gulf to the Mediterranean Sea-Fertile Crescent
River which flows through north-central China and empties into the Yellow Sea, also known as the Yellow River-Huang He River
An area of land that is located along the Indus River in present-day Paskitan and India-Indus Valley
The channeling of water to fields to help crops grow-Irrigation
An area of land that is located between the Tigris and Euphrates Rivers in the Middle East-Mesopotamia
An area of land that is located along the Nile River in present-day Egypt-Nile Valley
Rich soil that is deposited by a river-Silt