a strong disagreement
What is a dispute?
fine particles of rock
What is silt?
a substance that lies between or above other things
What is a layer?
A means of supplying land with water
What is irrigation?
to build; usually some kind of structure, such as a house
What is constructed?
arranged in a difficult way
What is complex?
a wall of earth built to prevent a river from flooding its banks
What is a levee?
to keep something in good condition by making necessary repairs
What is maintaining?
a resource that can be used to make something else
What is material?
an early city that was like a small, independent country with its own laws and government
What is a city-state?
an area of southern Mesopotamia where cities first appeared
What is Sumer?
in ancient times, the geographic area located between the Tigris and Euphrates rivers
What is Mesopotamia?
one of the two largest rivers in Southwest Asia that flows from the mountains in Turkey to the Persian Gulf
one of the two largest rivers in Southwest Asia that flow from the mountains in Turkey to the Persian Gulf
What is the Tigris or Euphrates River?
Levee
What is a wall of earth built to prevent a river from flooding its banks?
silt
What are fine particles of rock?
Sumer
What us an area of southern Mesopotamia where cities first appeared?
city-state
What is an early city that was like a small, independent country with its own laws and government
Euphrates or Tigris River
What is one of the two largest rivers in Southwest Asia that flows from Turkey to the Persian Gulf
Mesopotamia
What is in ancient times, the geographical area located between the Tigris and Euphrates rivers?
irrigation
What is a means of supplying land with water?
complex
What is arranged in a difficult way?
dispute
What is a strong disagreement?
maintaining
What is to keep something in good condition by making necessary repairs?
layer
What is a substance that lies between or above other things?