Detailed explanation and options for the selected question.
Which of the following is an indicator of desertification?
A.
Increased biodiversity
B.
Decline in vegetation cover
C.
Expansion of wetlands
D.
Improved soil fertility
Explanation:
A decline in vegetation cover is a clear sign of desertification. Increased biodiversity, wetland expansion, and improved soil fertility indicate healthy ecosystems, not desertification.