Match the following.
Sr. No. |
Column A |
Sr. No. |
Column B |
(a) |
Algae |
1. |
Farming on fallow land |
(b) |
Soil erosion |
2. |
Factors of plant origin |
(c) |
Social forestry |
3. |
Wind |
|
|
4. |
Factors of animal origin |