Chapter 15 Flashcards
1
Q
Desert
A
The process of which land turns into dessert
2
Q
Drought
A
Long rainless period of time
3
Q
Sahara
A
Largest desert in Africa
4
Q
Sahel
A
An area of land across Africa just south of the Sahara desert
5
Q
Population growth
A
Number of people in an area increasing due to high birth rates and improved medical care
6
Q
Overgrazed
A
When animals eat grass too quickly for the land to recover
7
Q
Over-cultivated
A
The growing and sowing of crops too quickly to allow the land to recover
8
Q
Famines
A
When crops fail people starve and die
9
Q
Irrigation
A
The artificial watering of land
10
Q
Drought resistant
A
Crops that can survive long periods of time without water
11
Q
Causes of desertification
A
- global warming
2. overgrazing
12
Q
Results
A
- famines
2. migration
13
Q
Solutions
A
- plant trees
2. new grassland
