Term
click below
click below
Term
Normal Size Small Size show me how
Ch. 15 Sect. 1 Vocab
Southwest Asia & North Africa Geography & History
Term | Definition |
---|---|
arid | very dry, having almost no rainfall |
desertification | a gradual transition from fertile to less productive land |
alluvial plain | a flat area of land next to a stream or river that floods |
silt | fine particles of soil deposited along riverbanks |
irrigation | the process of redirecting water to crops through channels and ditches |
petroleum | raw material used to produce oil |
nonrenewable | cannot reproduce quickly enough to keep up with its use |
fault | a fracture in Earth's crust |
oasis | a fertile place with water in a dry desert area |
qanat | a human-made underground tunnel on the Iranian Plateau, used for carrying water from the mountains |