A crop that is raised for sale only and the farmer does not use it for their own
To add variety to; to expand a country's economy by increasing th variety of goods produced.
A large level area that rises above the surrounding land; has at least one side with a steep slope
The Hieght of land above sea level
A deep crack in the earth's surface
A river or stream that flows into a larger river.
A fertile place in the desert where there is water and vegetation
A region of tall grasses with scattered trees
A person who has no permanent settled Home and instead moves from place to place