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Chapter 20 Vocabulary

Name: ___________________________________
Date: ____________________________________
Subject: __________________________________
Across
Possible or likely
To adapt plants and animals from the wild for human use
The practice of passing down stories from generation to generation by word of mouth
An often triangular-shaped section of land formed as the waters of a river slow down and split into many channels as they deposit sand and silt that has been carried downriver
Farming that provides the basic needs of a family with little surplus
Pressure or strain
A large group of people descended from the same ancestor
To improve or increase
The disposal of waste products
An area in which the properties of the land undergo a radical change
Down
Steppe region extending from Senegal to Somalia that receives little rainfall
A family unit made up of a husband, wife, and children
A hot, dry wind that blows from the northeast or east in the western sahara
A geographical region; the amount of space that the surface of a place covers
An event or fact that accompanies or determines another
Pertaining to traditional religious beliefs in which nature and objects, such as animals and mountains, are thought to have spirits
The destruction of land in arid and semi-arid climates
A family that is headed by a male family member
To gain