A method in which land is left unplanted every few years so that it can store moisture.
Mineral salts used to make fertilizer.
An underground rock layer through which water flows.
Small particles of rich soil carried by floods .
A dry riverbed that fills with water when it rains.
Fertile place in the desert
A facility that truns petroleum into gasoline and other products.
Making seawater drinkable
An area of fertile soil left by river floods.
A dry, treeless, grassy plain.
Illegal fishing or hunting.
Large Sand dunes in the Sahara .
Deliberate killing of an ethnic group.
Effort to punish a country by using trade barriers.
A farm product grown for sale a an export.
A settlement in Israel in which members share in the work.
Form of govt. in which a king or queen is head of state but elected officials run many or the affairs of govt.
Govt. under the rule of one all-powered leader
An order that restricts trade with another country
A crack in the Earth's crust caused by colliding
A conflict between different groups inside a country.
"A messenger of God"
A govt. controlled by religious leaders?
Egyptian form of writing
Early form of writing
Method of watering crops
Worship of many gods.