Agriculture: science, art and business of producing crops
and raising livestock
Arid: lacking moisture; not enough rain
Boundary: Something that indicates a border or limit.
Desert: dry, barren and often sandy region
Drought: prolonged period without precipitation
Frontier: border or the an undeveloped area
Infestation: spread of something harmful
Latitude: parallel lines starting at the equator
measuring distance north and south
Longitude: meridian lines starting at the Prime Meridian
measuring distance east and west
Meridian: another name for lines of longitude, which run
north and south on the map
Parallel: another name for lines of latitude, which run
east and west on the map.