| A | B |
|---|
| subcontinent | a large landmass that is a major part of a continent |
| alluvial | made of soil deposited by rivers |
| cash crop | a crop that is raised or gathered to besold for money on the local or world market |
| oasis | an area in a desert region where fresh water is ususally available from an underground spring or well |
| petroleum | an oily liquid formed from the remains of ancient plants and animals; a fuel |
| standard of living | a measurement of a person's or a group's education, housing, health, and nutrition |
| steppe | vast,mostly level treeless plains that are covered in grasses |
| nonrenewable rresource | a natural resource that cannot be quickly replaced once it is used |
