GlossaryAgriculture: 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.
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