farms
when an area goes without water for a period of time
drought
Any feature on the earth
landforms
crops that are farmed for profit
cash crops
plants and trees in an area
vegetation
moisture that falls from the sky such as rain or snow
precipitation
a dry riverbed
wadis
anything that makes or takes money
economic activities
some sort of plant or wall that blocks wind
windbreaks
when land gets more dry or desert like over time
desertification
plains covered with gravel
regs
makes farming and making money easier
technology
an area with a specific type of scenery
landscape
bad farmland
marginal land
sand with tall sand dunes
erg
tree that provide some water and many people have to share in oasis
palm
herders that move with their animals in search of a place to live with food and water
pastoral nomads
rock covered flatlands that are high up. some are known as mountains by maps
hammadas
when there is not enough water to grow plants
water shortage