The remedies to soil erosion
are :
I. Contour bunding
II. Regulation of land use
III. Cutting of trees
IV. Allowing grazing of animals
(1) I, III (2) I, II
(3) III, IV (4) II, III
are :
I. Contour bunding
II. Regulation of land use
III. Cutting of trees
IV. Allowing grazing of animals
(1) I, III (2) I, II
(3) III, IV (4) II, III