Answer:
C. Too many people
Explanation:
Climatic variations' and 'Human activities' can be regarded as the two main causes of desertification. removal of the natural vegetation cover(by taking too much fuel wood), agricultural activities in the vulnerable ecosystems of arid and semi-arid areas, which are thus strained beyond their capacity.
Answer:C
Explanation:
people use lots of water the basins would just make a pond.