Which of the following practices leads to land degradation in the savanna zones of West Africa?
l. Constant annual bushfire
II. Overgrazing of grassland
lll. Application of cattle manure.
IV. Cutting of woody species for fuel wood
l, ll and lll only
l, ll and lV only
ll, lll, and IV only
l, ll, lll and lV
Correct answer is B
No explanation has been provided for this answer.