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16-2
Climate Regions of North Africa, Southwest Asia, and Central Asia
Term | Definition |
---|---|
wadi | dry riverbed that fills with water when rare rains fall in a desert |
erg | large areas of soft sands and dunes in the Sahara |
oases | fertile area that rises in a desert wherever water is regularly available |
steppe | partly dry grassland often found on the edges of a desert |
nomad | person who lives by moving from place to place to follow herds of migrating animals that they hunt or lead herds of grazing animals to fresh pasture |
dry farming | agriculture that conserves water and uses crops and growing methods suited to semi arid environments |
aquifer | underground layer of rock through which water flows |
rationing | making a resource available in limited amounts |
desalinization | process of treating seawater to remove salts and minerals and make it drinkable |
sparse | few or scattered |
adequate | enough to satisfy a particular requirement |