The protective functions imply such important:
ANone of these
BAnd prevention of such calamities as floods, land sides, siltation of dams and change in the course of rivers
CPhypsiographic features of the country, conservation of soil and water, regulation of stream flow
DBoth (a) & (b)
Correct answer
D. Both (a) & (b)
Explanation
The correct answer is Both (a) & (b).