Match the vocabulary words with their definitions.

Vocab Words
A cash crop
B desertification
C homogenous
D shifting agriculture
E subsistence farming
F topography

Definitions
1. the average number of children a woman will have in her lifetime
2. a change causing an area to become more arid
3. a farming system in which farmers move when an area's nutrients are used up
4. of the same kind or type
5. growing crops to provide for the needs of one's family
6. agricultural products grown to be sold
7. the physical features of a place or region