week 5 Flashcards
1
Q
Where do we get food from?
A
- Croplands
- Rangelands
- ocean fisheries
2
Q
what is cropland degradation and what causes it
A
Decreased future ability to support crops, livestock, or wild species. Caused by soil erosion, desertification, and salinization & water logging
3
Q
What causes soil erosion?
A
Wind, Water, people
4
Q
Define desertification
A
The process by which fertile land becomes desert
